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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1a0a2e 0%, #16213e 30%, #0f0f23 60%, #1a0a2e 100%);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(147, 51, 234, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

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

.logo-icon {
    font-size: 28px;
    background: linear-gradient(135deg, #fbbf24, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav a:hover {
    color: #fbbf24;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #fbbf24, #9333ea);
    transition: width 0.3s ease;
}

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

.hero {
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #9333ea, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(147, 51, 234, 0.5);
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 40px rgba(147, 51, 234, 0.5); }
    to { text-shadow: 0 0 60px rgba(251, 191, 36, 0.7); }
}

.hero-subtitle {
    font-size: 24px;
    color: #fbbf24;
    margin-bottom: 20px;
    font-weight: 600;
    text-shadow: 0 0 20px rgba(251, 191, 36, 0.4);
}

.hero-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #9333ea);
    color: #1a0a2e;
    box-shadow: 0 4px 20px rgba(147, 51, 234, 0.4), 0 0 30px rgba(251, 191, 36, 0.3);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(147, 51, 234, 0.6), 0 0 50px rgba(251, 191, 36, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-outline {
    background: transparent;
    color: #fbbf24;
    border: 2px solid #fbbf24;
}

.btn-outline:hover {
    background: rgba(251, 191, 36, 0.1);
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.3);
}

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

.dashboard-preview {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1), rgba(251, 191, 36, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(147, 51, 234, 0.3);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(147, 51, 234, 0.2);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.dashboard-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px;
    display: flex;
    gap: 8px;
}

.dashboard-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.dashboard-content {
    padding: 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-card {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.15), rgba(251, 191, 36, 0.1));
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    border: 1px solid rgba(147, 51, 234, 0.3);
    box-shadow: 0 0 20px rgba(147, 51, 234, 0.1);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 4px;
    text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #fbbf24, #9333ea);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
}

.features {
    padding: 80px 0;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.2), rgba(251, 191, 36, 0.1));
    border-color: rgba(147, 51, 234, 0.5);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(147, 51, 234, 0.3), 0 0 30px rgba(251, 191, 36, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: #fbbf24;
    text-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
}

.feature-card h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 1.6;
}

.platforms {
    padding: 80px 0;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.platform-card:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.2), rgba(251, 191, 36, 0.1));
    border-color: rgba(147, 51, 234, 0.5);
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(147, 51, 234, 0.3);
}

.platform-logo {
    font-size: 32px;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fbbf24, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.platform-link {
    text-decoration: none;
    color: inherit;
}

.platform-features {
    padding: 80px 0;
    background: rgba(147, 51, 234, 0.05);
}

.platform-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.platform-feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid rgba(147, 51, 234, 0.3);
    transition: all 0.3s ease;
}

.platform-feature-card:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.15), rgba(251, 191, 36, 0.05));
    border-color: rgba(251, 191, 36, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(147, 51, 234, 0.2);
}

.platform-badge {
    display: inline-block;
    background: linear-gradient(135deg, #9333ea, #fbbf24);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.platform-feature-card h3 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 600;
}

.platform-feature-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
}

.platform-feature-link {
    text-decoration: none;
    color: inherit;
}

.platform-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.platform-tip {
    font-size: 12px !important;
    color: rgba(251, 191, 36, 0.7) !important;
    margin-top: 8px;
    font-style: italic;
}

.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.15), rgba(251, 191, 36, 0.05));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
}

.stat-name {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.download {
    padding: 80px 0;
    text-align: center;
}

.download-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.download-note {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer {
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 16px;
}

.footer-section h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin-bottom: 8px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fbbf24;
}

.qq-link {
    color: #fbbf24;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    background: rgba(251, 191, 36, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(251, 191, 36, 0.3);
    transition: all 0.3s ease;
}

.qq-link:hover {
    background: rgba(251, 191, 36, 0.2);
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.wechat-qr {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.wechat-qr img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 2px solid rgba(251, 191, 36, 0.3);
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.3);
}

.wechat-qr p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.qr-img {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.qr-img:hover {
    transform: scale(1.05);
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.2), rgba(251, 191, 36, 0.1));
    margin: 15% auto;
    padding: 24px;
    border: 2px solid rgba(251, 191, 36, 0.5);
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    animation: zoomIn 0.3s ease;
    box-shadow: 0 0 50px rgba(147, 51, 234, 0.5), 0 0 100px rgba(251, 191, 36, 0.3);
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-content img {
    width: 100%;
    max-width: 300px;
    border-radius: 12px;
    border: 2px solid rgba(251, 191, 36, 0.5);
}

.modal-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 16px;
    font-size: 16px;
}

.close-btn {
    color: rgba(255, 255, 255, 0.6);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-btn:hover,
.close-btn:focus {
    color: #fbbf24;
    text-decoration: none;
    transform: rotate(90deg);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 28px;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 15px;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px 16px;
    }

    .feature-icon {
        font-size: 36px;
    }

    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .platform-card {
        padding: 20px 12px;
    }

    .platform-logo {
        font-size: 24px;
    }

    .platform-features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .platform-feature-card {
        padding: 20px 16px;
    }

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

    .stat-card {
        padding: 20px;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .footer-content {
        gap: 32px;
    }

    .footer-section {
        text-align: center;
    }

    .nav {
        gap: 12px;
    }

    .nav a {
        font-size: 14px;
        padding: 8px 12px;
    }

    .logo-text {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .features, .platforms, .platform-features, .download {
        padding: 40px 0;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .qr-img {
        width: 120px;
        height: 120px;
    }

    .modal-content img {
        max-width: 90%;
        height: auto;
    }
}

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .nav {
        gap: 16px;
    }
}