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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: #1a1a1a;
    color: white;
    overflow-x: hidden;
}

.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    z-index: -2;
}

.background-pattern::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #00ff88, #00cc6a);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
}

.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.left-content {
    flex: 1;
    max-width: 500px;
}

.main-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.main-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #00ff88, #00cc6a);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.main-title {
    font-size: 48px;
    font-weight: 700;
    margin: 0;
}

.subtitle {
    font-size: 18px;
    color: #999;
    margin-bottom: 40px;
    font-weight: 400;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    text-decoration: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: white;
    transform: translateY(-2px);
}

.download-btn.primary {
    width: 100%;
}

.download-row {
    display: flex;
    gap: 16px;
}

.download-row .download-btn {
    flex: 1;
}

.download-links {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.download-link {
    color: #999;
    text-decoration: none;
    font-size: 14px;
    position: relative;
}

.download-link::after {
    content: ">";
    margin-left: 8px;
    transition: margin-left 0.3s ease;
}

.download-link:hover {
    color: #00ff88;
}

.download-link:hover::after {
    margin-left: 12px;
}

.right-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.device-mockup {
    position: relative;
    transform: scale(0.8);
}

.laptop-mockup {
    width: 600px;
    height: 380px;
    background: #2a2a2a;
    border-radius: 20px;
    padding: 20px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.laptop-screen {
    width: 100%;
    height: 100%;
    background: #3a4a3a;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.browser-bar {
    height: 30px;
    background: #4a5a4a;
    display: flex;
    align-items: center;
    padding: 0 15px;
    gap: 8px;
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.browser-dot.red {
    background: #ff5f57;
}
.browser-dot.yellow {
    background: #ffbd2e;
}
.browser-dot.green {
    background: #28ca42;
}

.app-interface {
    height: calc(100% - 30px);
    display: flex;
}

.sidebar {
    width: 200px;
    background: #2a3a2a;
    padding: 20px 15px;
}

.main-content {
    flex: 1;
    background: #3a4a3a;
    padding: 20px;
    position: relative;
}

.album-art {
    width: 200px;
    height: 200px;
    background: url("./assets/images/QQ20250525-202250-diuQlAY8YfE69qQplJKOMPNAwjHmhK.png") center/cover;
    border-radius: 12px;
    margin-bottom: 20px;
}

.song-info {
    margin-bottom: 20px;
}

.song-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.song-artist {
    font-size: 14px;
    color: #999;
}

.player-controls {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn.play {
    width: 50px;
    height: 50px;
    background: #00ff88;
    color: #333;
}

.phone-mockup {
    position: absolute;
    right: -100px;
    top: 50px;
    width: 200px;
    height: 400px;
    background: #2a2a2a;
    border-radius: 25px;
    padding: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #3a4a3a;
    border-radius: 20px;
    overflow: hidden;
}

.footer {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #666;
    font-size: 14px;
}

@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }

    .device-mockup {
        transform: scale(0.6);
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 100px 20px 20px;
        text-align: center;
    }

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

    .device-mockup {
        transform: scale(0.5);
        margin-top: 20px;
    }

    .header {
        padding: 20px;
    }
}