:root{--primary: #2c3e50;
    --accent: #3498db;
    --light: #ecf0f1;}
.site-header{background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);}
.navbar{width: 100%;
    max-width: none;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;}
.brand{display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.5s ease;}
.logo{height: 32px;
    width: auto;
    transition: all 0.5s ease;}
.brand:hover .logo{transform: rotateY(180deg) scale(1.2);}
.brand-name{color: #2c3e50;
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;}
.brand:hover .brand-name{transform: translateX(10px) scale(1.2);
    color: #3498db;}
.nav-links{display: flex;
    gap: 2rem;
    align-items: center;}
.nav-links a{color: #34495e;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;}
.nav-links a::after{content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;}
.nav-links a:hover::after{width: 100%;}
.nav-links{display: flex;
    gap: 2rem;}
.nav-links a{text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: color 0.3s;}
.nav-links a:hover{color: var(--accent);}
.menu-btn{display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;}
.hero{height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem;
    background: linear-gradient(45deg, var(--light), #fff);}
.section{padding: 5rem 10%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;}
.section.visible{opacity: 1;
    transform: translateY(0);}
.card-grid{display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;}
.card{background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;}
.card:hover{transform: translateY(-5px);}
footer{background: var(--primary);
    color: white;
    padding: 3rem 5%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;}
.site-footer{padding: 16px 12px !important;
    grid-template-columns: minmax(260px, 1fr) minmax(280px, 1fr) 1fr !important;
    gap: 12px !important;}
@media (max-width: 768px){.site-footer {
        grid-template-columns: 1fr !important;
        padding: 16px !important;
    }}
.footer-links a{color: var(--light);
    text-decoration: none;
    display: block;
    margin: 0.5rem 0;}
@media (max-width: 768px){.nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-btn {
        display: block;
    }}
@keyframes pulse-glow{0% {
        box-shadow: 0 0 0 0 rgba(7, 193, 96, 0.3);
    }

    70% {
        box-shadow: 0 0 0 12px rgba(7, 193, 96, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(7, 193, 96, 0);
    }}
@media (max-width: 768px){.legacy-innovation {
        flex-direction: column;
        padding: 0 1rem;
    }

    .heritage-column {
        padding-right: 0;
        text-align: center;
    }

    .gradient-title {
        font-size: 2rem;
    }

    .rulebook-icon {
        margin: 0.5rem auto;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }}
@media (max-width: 480px){.timeline-marker {
        font-size: 3.5rem;
        top: 5rem;
    }

    .core-statement {
        font-size: 1.1rem;
    }}
.hero{position: relative;
    
    height: auto;
    min-height: 600px;
    overflow: hidden;}
.hero-bg{position: absolute;
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;}
.parallax-bg{width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(15%) contrast(110%);
    animation: bgScale 20s infinite alternate;}
.particles{position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;}
.particle-layer{position: absolute;
    animation: particleFlow calc(20s * var(--particle-count)) linear infinite;}
.particle-layer::before{content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(7, 193, 96, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 10px #07c160;
    filter: blur(1px);}
@keyframes particleFlow{0% {
        transform: translateY(-10%) rotateZ(0deg);
        opacity: 0;
    }

    20% {
        opacity: 1;
    }

    80% {
        opacity: 1;
    }

    100% {
        transform: translateY(110%) rotateZ(360deg);
        opacity: 0;
    }}
.hero-content h1{text-shadow: 0 2px 8px rgba(15, 32, 39, 0.7);
    position: relative;}
.gradient-text{display: inline-block;
    background: linear-gradient(45deg, #7effb3, #07c160);
    -webkit-background-clip: text;
    background-clip: text;}
@keyframes bgScale{0% {
        transform: scale(1) rotateZ(0deg);
    }

    100% {
        transform: scale(1.05) rotateZ(0.5deg);
    }}
.hero:hover .parallax-bg{animation-duration: 10s;}
@media (max-width: 768px){.hero {
        min-height: 400px;
    }

    .parallax-bg {
        filter: grayscale(20%) contrast(120%);
    }

    .bg-overlay {
        background: linear-gradient(rgba(15, 32, 39, 0.95) 0%,
                rgba(7, 193, 96, 0.1) 100%);
    }}
.hero-content h1{position: relative;
    padding: 0.5rem;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 0.1),
            rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(3px);
    
    border-radius: 8px;}
.gradient-text{background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    position: relative;
    padding: 0.2rem 0.5rem;}
.gradient-text::after{content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    pointer-events: none;}
header{position: relative;
    
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);}
header::after{content: '';
    display: block;
    height: var(--nav-height, 60px);}
@media (max-width: 768px){header {
        position: sticky;
        top: 0;
    }

    .hero {
        margin-top: 0 !important;
        
    }}
header{position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: white;
    z-index: 1000;}
@media (max-width: 768px){.nav-spacer {
        height: 60px;
    }

    header {
        height: 60px;
    }

    .hero {
        margin-top: 60px;
    }}
.hero-content-main-cover{position: relative;
    z-index: 100;
    
    padding: 2rem;
    background: rgba(15, 32, 39, 0.4);
    
    border-radius: 12px;
    backdrop-filter: blur(8px);
    
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);}
.hero-content-main-cover h1{color: #fff !important;
    
    font-size: 2.8rem !important;
    text-shadow:
        0 2px 4px rgba(15, 32, 39, 0.7),
        0 0 20px rgba(7, 193, 96, 0.5),
        0 0 5px rgba(255, 255, 255, 0.3);
    margin-bottom: 1.5rem !important;
    position: relative;
    line-height: 1.3;}
.social-title{color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.5rem;}
.social-title::before{content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 80%;
    background: var(--accent);
    transform: translateY(-50%);
    border-radius: 3px;}
.social-grid{display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;}
.social-card{background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 1.2rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);}
.social-card:hover{transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(7, 193, 96, 0.2);}
.social-link{text-decoration: none;
    color: inherit;}
.social-icon{position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;}
.social-icon i{color: white;
    font-size: 1.6rem;}
.qrcode-popup{position: absolute;
    bottom: -100px;
    left: 100px;
    
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    background: white;
    color: black;
    text-align: center;
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);}
.wechat-card:hover .qrcode-popup{opacity: 1;
    visibility: visible;}
.qrcode-img{width: 150px;
    height: 150px;
    display: block;
    margin-bottom: 0.5rem;}
.social-info{line-height: 1.4;}
.social-name{display: block;
    color: #333;
    font-weight: 600;
    margin-bottom: 0.3rem;}
.social-id{display: block;
    color: #666;
    font-size: 0.9rem;
    font-family: monospace;}
.xhs-card .social-icon{background: #ff244a;}
.discord-card .social-icon{background: #5865f2;}
@media (max-width: 768px){.social-grid {
        grid-template-columns: 1fr;
    }

    .social-card {
        padding: 1rem;
    }

    .qrcode-popup {
        bottom: -100px;
    }}
.legal-info{padding: 0rem 0;}
.legal-brand{display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.5rem;}
.footer-logo{filter: brightness(0) invert(1);
    
    opacity: 0.9;
    transition: opacity 0.3s;}
.footer-logo:hover{opacity: 1;}
.company-name{font-size: 1.1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 1px;}
.copyright-notice{color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;}
.legal-certifications{display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-wrap: wrap;}
.cert-link{color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    position: relative;
    padding-right: 1.5rem;}
.cert-link:hover{color: var(--accent);
    text-decoration: underline;}
@media (max-width: 768px){.legal-brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }

    .legal-certifications {
        gap: 0.5rem;
    }

    

    .cert-link {
        padding-right: 0;
        display: block;
    }}