/* 现代科技风全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Exo+2:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff0080;
    --accent-color: #00ff88;
    --dark-bg: #0a0a0f;
    --card-bg: rgba(20, 25, 40, 0.9);
    --text-primary: #ffffff;
    --text-secondary: #b8c5d1;
    --text-muted: #8a9ba8;
    --text-accent: #00d4ff;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 50%, #006699 100%);
    --gradient-secondary: linear-gradient(135deg, #ff0080 0%, #cc0066 50%, #99004d 100%);
    --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    --neon-glow: 0 0 20px rgba(0, 212, 255, 0.5);
    --neon-glow-strong: 0 0 30px rgba(0, 212, 255, 0.8);
    --border-radius: 15px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Exo 2', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-bg);
    overflow-x: hidden;
    position: relative;
}

/* 动态背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 128, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 科技感文字效果 */
.tech-title {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--neon-glow);
    position: relative;
}

.tech-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 5px var(--primary-color); }
    to { box-shadow: 0 0 20px var(--primary-color); }
}

/* 语言切换 */
.language-switch {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    box-shadow: var(--neon-glow);
}

.lang-item {
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.lang-item.active {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

.lang-separator {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.3);
}

/* 现代化导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    z-index: 1000;
    transition: var(--transition);
    padding: 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand .company-link {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-primary);
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 1.5rem;
    transition: var(--transition);
}

.nav-brand img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px var(--primary-color));
    transition: var(--transition);
}

.nav-brand:hover img {
    filter: drop-shadow(0 0 20px var(--primary-color));
    transform: scale(1.05);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 30px 25px;
    display: block;
    transition: var(--transition);
    font-size: 16px;
    position: relative;
    font-family: 'Exo 2', sans-serif;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-menu li a:hover {
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-menu li a:hover::before {
    width: 80%;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 10px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
    box-shadow: 0 0 5px var(--primary-color);
}

/* 首页轮播现代化 */
.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
    margin-top: 0;
    display: flex;
    align-items: center;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.2) 0%, transparent 70%),
        radial-gradient(circle at 70% 30%, rgba(255, 0, 128, 0.2) 0%, transparent 70%),
        linear-gradient(135deg, var(--dark-bg) 0%, rgba(26, 26, 46, 0.8) 100%);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    text-align: center;
    padding: 0 20px;
}

.slide-text h1 {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 30px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--neon-glow);
    animation: textGlow 3s ease-in-out infinite alternate;
}

@keyframes textGlow {
    from { filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5)); }
    to { filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.8)); }
}

.slide-text p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-secondary);
    line-height: 1.8;
}

.slide-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 现代化按钮 */
.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    font-family: 'Exo 2', sans-serif;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--neon-glow);
    border: 1px solid var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--neon-glow-strong);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: var(--neon-glow-strong);
}

/* 轮播导航 */
.slider-nav button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    color: var(--primary-color);
    transition: var(--transition);
    z-index: 3;
}

.prev-btn { left: 30px; }
.next-btn { right: 30px; }

.slider-nav button:hover {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: var(--neon-glow);
    transform: translateY(-50%) scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.dot.active {
    background: var(--primary-color);
    box-shadow: var(--neon-glow);
    border-color: var(--primary-color);
}

/* 科技感卡片 */
.quick-nav {
    padding: 100px 0;
    position: relative;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.quick-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.quick-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: var(--transition);
}

.quick-card:hover::before {
    left: 100%;
}

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

.card-icon {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.quick-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.quick-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 15px;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.card-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.card-link:hover {
    color: var(--text-primary);
    text-shadow: 0 0 5px var(--primary-color);
}

/* 公司介绍现代化 */
.company-intro {
    padding: 120px 0;
    position: relative;
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: center;
}

.company-image {
    text-align: center;
    position: relative;
}

.company-image img {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 0 30px var(--primary-color));
    animation: float 3s ease-in-out infinite;
}

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

.company-text h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.company-actions {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* 产品服务现代化 */
.products {
    padding: 120px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    cursor: pointer;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--neon-glow-strong);
    border-color: var(--primary-color);
}

.product-icon {
    padding: 40px 30px 20px;
    text-align: center;
}

.product-icon i {
    font-size: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.product-card h3 {
    padding: 0 30px 20px;
    font-family: 'Orbitron', monospace;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

.product-card p {
    padding: 0 30px 30px;
    color: var(--text-secondary);
    line-height: 1.7;
    text-align: center;
    font-size: 15px;
}

.product-link {
    display: block;
    padding: 20px 30px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

.product-link:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--text-primary);
    text-shadow: 0 0 5px var(--primary-color);
}

/* 合作伙伴现代化 */
.partners {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 50px;
}

.partner-category {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
}

.partner-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-glow);
    border-color: var(--primary-color);
}

.partner-category h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.partner-item {
    background: rgba(0, 212, 255, 0.1);
    padding: 20px 15px;
    text-align: center;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.2);
    font-weight: 500;
}

.partner-item:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

/* 新闻中心现代化 */
.news {
    padding: 120px 0;
    position: relative;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
}

.news-item {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transform-origin: top;
    transition: var(--transition);
}

.news-item:hover::before {
    transform: scaleY(1);
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-glow);
    border-color: var(--primary-color);
}

.news-date {
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 15px;
}

.news-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.news-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.news-link:hover {
    color: var(--text-primary);
    text-shadow: 0 0 5px var(--primary-color);
}

/* 加入我们现代化 */
.careers {
    padding: 120px 0;
    position: relative;
}

.careers-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: center;
}

.careers-text h2 {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.careers-text h3 {
    font-size: 1.4rem;
    color: var(--accent-color);
    margin-bottom: 40px;
    font-weight: 500;
}

.benefits {
    display: grid;
    gap: 30px;
    margin-bottom: 40px;
}

.benefit-item {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.benefit-item h4 {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
    font-size: 15px;
}

.careers-visual {
    text-align: center;
}

.team-icon i {
    font-size: 10rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5));
    animation: pulse 2s ease-in-out infinite;
}

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

/* 联系我们现代化 */
.contact {
    padding: 120px 0;
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 50px;
}

.contact-grid {
    display: grid;
    gap: 30px;
}

.contact-item {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--neon-glow);
    border-color: var(--primary-color);
}

.contact-item h4 {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

.contact-map {
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 2px dashed rgba(0, 212, 255, 0.3);
    transition: var(--transition);
}

.map-placeholder:hover {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

.map-placeholder i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.map-placeholder p {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
}

/* 页脚现代化 */
.footer {
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    color: var(--text-primary);
    padding: 80px 0 30px;
    position: relative;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h4 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--gradient-primary);
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    font-size: 15px;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    padding-left: 10px;
    text-shadow: 0 0 5px var(--primary-color);
}

.qr-codes {
    display: flex;
    gap: 25px;
    margin-top: 25px;
}

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

.qr-placeholder {
    width: 90px;
    height: 90px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 10px;
    margin-bottom: 10px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.qr-item p {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 5px;
}

/* 浮动按钮现代化 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    color: var(--primary-color);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

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

.back-to-top:hover {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: var(--neon-glow);
    transform: translateY(-5px);
}

.floating-contact {
    position: fixed;
    bottom: 110px;
    right: 30px;
    z-index: 999;
}

.floating-contact .contact-btn {
    width: 70px;
    height: 70px;
    background: var(--gradient-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 28px;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.5);
    border: 1px solid rgba(255, 0, 128, 0.3);
}

.floating-contact .contact-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.8);
}

.contact-tooltip {
    position: absolute;
    right: 80px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.floating-contact:hover .contact-tooltip {
    opacity: 1;
    visibility: visible;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .company-content,
    .careers-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .company-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .slide-text h1 {
        font-size: 2.5rem;
    }
    
    .slide-text p {
        font-size: 1.1rem;
    }
    
    .slide-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .quick-nav-grid,
    .product-grid,
    .partners-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .careers-text h2,
    .contact-info h2,
    .company-text h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .qr-codes {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .language-switch {
        top: 10px;
        right: 10px;
        padding: 8px 15px;
    }
    
    .slider-nav button {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    .prev-btn { left: 20px; }
    .next-btn { right: 20px; }
    
    .section-title {
        font-size: 2rem;
    }
    
    .floating-contact .contact-btn {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .back-to-top {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
}