/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #0a192f;
    --primary-purple: #7b2cbf;
    --accent-cyan: #00f5ff;
    --accent-gold: #ffd700;
    --bg-dark: #0a0a0a;
    --bg-dark-purple: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --gradient-main: linear-gradient(135deg, #0a192f 0%, #1a1a2e 100%);
}

body {
    font-family: 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gradient-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 粒子背景 */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0a 70%, #000000 100%);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: none;
    transition: all 0.3s ease;
}

.navbar:hover {
    border-bottom: none;
    box-shadow: none;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

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

.logo-text {
    font-size: 1.2rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-gold));
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

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

/* Hero区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(123, 44, 191, 0.1) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.15;
    }
}

.hero-content {
    max-width: 900px;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

.logo-hero {
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.logo-main {
    width: 350px;
    height: 350px;
    object-fit: contain;
    filter: drop-shadow(0 0 40px rgba(0, 245, 255, 0.5));
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.title-gradient {
    display: block;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.2);
    }
    100% {
        filter: brightness(1);
    }
}

.title-secondary {
    font-size: 1.8rem;
    color: var(--text-primary);
    letter-spacing: 0.5rem;
    margin-top: 0.5rem;
    display: block;
}

.hero-slogan {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: 0.3rem;
}

.slogan-highlight {
    color: var(--accent-gold);
    font-size: 2.5rem;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    letter-spacing: 0.1rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.btn {
    display: inline-block;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-purple), var(--accent-cyan));
    border: 3px solid var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary svg {
    width: 40px;
    height: 40px;
    color: var(--text-primary);
    animation: bounce 2s infinite;
}

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

.btn-primary::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: left 0.5s ease;
    border-radius: 50%;
}

.btn-primary:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.5);
}

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

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 通用section */
section {
    padding: 6rem 0;
}

/* 关于我们 */
.about {
    background: transparent;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    font-weight: bold;
}

.title-highlight {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.about-card {
    background: rgba(10, 25, 47, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 245, 255, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-gold));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 245, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 245, 255, 0.1);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.company-vision {
    text-align: center;
    padding: 2rem;
    background: rgba(123, 44, 191, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.vision-text {
    font-size: 1.3rem;
    color: var(--text-primary);
    line-height: 2;
    max-width: 800px;
    margin: 0 auto;
}

/* 联系我们 */
.contact {
    background: transparent;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    text-align: center;
    padding: 2.5rem;
    background: rgba(10, 25, 47, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(0, 245, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: rgba(0, 245, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.contact-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1.5rem;
    color: var(--accent-gold);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(0, 245, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo img {
    width: 35px;
    height: 35px;
    object-fit: contain;
}

.footer-logo span {
    font-weight: bold;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    color: var(--text-primary);
    font-size: 1.1rem;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-secondary {
        font-size: 1.2rem;
        letter-spacing: 0.2rem;
    }
    
    .hero-slogan {
        font-size: 1.5rem;
    }
    
    .slogan-highlight {
        font-size: 1.8rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .vision-text {
        font-size: 1.1rem;
    }
}