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

        :root {
            --primary-white: #FFFFFF;
            --primary-gold: #D4AF37;
            --primary-blue: #1B3A6D;
            --light-gold: #F5E6D3;
            --dark-blue: #0F2344;
            --text-dark: #333333;
            --text-light: #666666;
        }

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


/* 默认样式（移动端优先） */
.logo-hero {
    
    width: 80%;
    max-height: auto;
}

/* ≥768 px 的平板 / 小屏 PC */
@media (min-width: 768px) {
    .logo-hero {
        width: 90%;
        max-height: auto;
    }
}

/* ≥1200 px 的桌面大屏 */
@media (min-width: 1200px) {
    .logo-hero {
        width: 90%;
        max-height: auto;
    }
}

        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 1);
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {            display: flex;            align-items: center;            gap: 0.5rem;            font-size: 1.5rem;            font-weight: bold;            color: var(--primary-blue);            text-decoration: none;        }
        
        .logo-img {            height: 60px;            width: auto;            max-height: 100%;        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-gold), var(--primary-blue));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-menu a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--primary-gold);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-gold);
            transition: width 0.3s ease;
        }

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

        .login-btn {
            padding: 0.6rem 1.5rem;
            background: linear-gradient(135deg, var(--primary-gold), #C9A047);
            color: white !important;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
        }

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

        .mobile-menu-btn .menu-line {
            width: 25px;
            height: 3px;
            background: var(--primary-blue);
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        /* Hero Section */
        .hero {
            margin-top: 80px;
            min-height: 90vh;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,100 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(212,175,55,0.1)"/></svg>') no-repeat center;
            background-size: cover;
            opacity: 0.3;
        }

        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 4rem 2rem;
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            font-weight: 800;
        }

        .hero-text .highlight {
            color: var(--primary-gold);
            background: linear-gradient(135deg, var(--primary-gold), #F5E6D3);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2.5rem;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2.5rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            display: inline-block;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--primary-gold);
            color: var(--primary-blue);
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background: white;
            color: var(--primary-blue);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-icon {
            width: 400px;
            height: 400px;
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(255, 255, 255, 0.1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            animation: float 6s ease-in-out infinite;
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .hero-icon::before {
            content: '⛰';
            font-size: 10rem;
            opacity: 0.9;
        }

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

        /* Four Pillars Section */
        .pillars {
            padding: 6rem 2rem;
            background: white;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 3rem;
            font-weight: 800;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 4rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .pillars-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
        }

        .pillar-card {
            background: white;
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .pillar-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-gold), var(--primary-blue));
        }

        .pillar-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
            border-color: var(--primary-gold);
        }

        .pillar-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-gold), #C9A047);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
        }

        .pillar-card h3 {
            font-size: 1.5rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
            font-weight: 700;
        }

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

        /* Tokenomics Section */
        .tokenomics {
            padding: 6rem 2rem;
            background: linear-gradient(135deg, var(--light-gold) 0%, #FAFAFA 100%);
        }

        .tokenomics-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .chart-container {
            position: relative;
            padding: 2rem;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }

        .pie-chart {
            width: 100%;
            max-width: 400px;
            margin: 0 auto;
            aspect-ratio: 1;
            border-radius: 50%;
            background: conic-gradient(
                var(--primary-blue) 0deg 108deg,
                var(--primary-gold) 108deg 180deg,
                #5B8DBE 180deg 252deg,
                #E8D5B5 252deg 324deg,
                #C9A047 324deg 360deg
            );
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }

        .token-stats {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .stat-item {
            padding: 1.5rem;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            border-left: 4px solid var(--primary-gold);
        }

        .stat-item h4 {
            color: var(--primary-blue);
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            font-weight: 700;
        }

        .stat-item p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-gold);
            margin: 0.5rem 0;
        }

        /* Roadmap Section */
        .roadmap {
            padding: 6rem 2rem;
            background: var(--primary-blue);
            color: white;
        }

        .timeline {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary-gold), rgba(212, 175, 55, 0.3));
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            margin-bottom: 3rem;
            position: relative;
        }

        .timeline-item:nth-child(odd) {
            justify-content: flex-start;
        }

        .timeline-item:nth-child(even) {
            justify-content: flex-end;
        }

        .timeline-content {
            width: 45%;
            padding: 2rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            border: 2px solid rgba(212, 175, 55, 0.3);
        }

        .timeline-content h3 {
            color: var(--primary-gold);
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 2rem;
            width: 20px;
            height: 20px;
            background: var(--primary-gold);
            border-radius: 50%;
            transform: translateX(-50%);
            box-shadow: 0 0 20px var(--primary-gold);
        }

        /* Community Section */
        .community {
            padding: 6rem 2rem;
            background: white;
        }

        .social-links {
            max-width: 1000px;
            margin: 3rem auto 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }

        .social-card {
            padding: 2rem;
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            color: white;
            border-radius: 15px;
            text-align: center;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .social-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .social-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .social-card h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        /* Footer */
        .footer {
            background: var(--dark-blue);
            color: white;
            padding: 4rem 2rem 2rem;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-section h3 {
            color: var(--primary-gold);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--primary-gold);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.6);
        }

        /* Responsive Design */
        @media (max-width: 968px) {
            .logo-img {
                height: 50px;
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background: white;
                width: 100%;
                text-align: center;
                transition: left 0.3s ease;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                padding: 2rem 0;
                gap: 0;
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-menu li {
                padding: 1rem 0;
                width: 100%;
                border-bottom: 1px solid #f0f0f0;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .mobile-menu-btn.active .menu-line:nth-child(1) {
                transform: rotate(45deg) translate(8px, 8px);
            }

            .mobile-menu-btn.active .menu-line:nth-child(2) {
                opacity: 0;
            }

            .mobile-menu-btn.active .menu-line:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -7px);
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 2rem 1rem;
            }

            .hero-text h1 {
                font-size: 2.2rem;
            }

            .hero-text p {
                font-size: 1.1rem;
            }

            .hero-icon {
                width: 280px;
                height: 280px;
            }

            .hero-icon::before {
                font-size: 6rem;
            }

            .tokenomics-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                justify-content: flex-end !important;
            }

            .timeline-content {
                width: calc(100% - 60px);
            }

            .timeline-dot {
                left: 20px;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .logo-img {
                height: 40px;
            }
            
            .hero-text h1 {
                font-size: 1.8rem;
            }

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

            .nav-container {
                padding: 1rem;
            }

            .pillars-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .fade-in-up {
            animation: fadeInUp 0.8s ease forwards;
        }

        /* Smooth Scroll */
        html {
            scroll-behavior: smooth;
        }