.betbd-promo-banner {
    width: 100%;
    background: linear-gradient(135deg, #1C1C1C 0%, #0d0d0d 100%);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    max-width: 1200px;
    margin: 2rem auto;
    border-bottom: 3px solid rgba(204, 179, 109, 0.35);
}

.promo-container {
    display: flex;
    align-items: center;
    height: 60px;
    background: linear-gradient(90deg, #1C1C1C 0%, #252525 50%, #1C1C1C 100%);
    position: relative;
    overflow: hidden;
}

.promo-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(204, 179, 109, 0.5) 30%, 
        rgba(204, 179, 109, 0.8) 50%, 
        rgba(204, 179, 109, 0.5) 70%, 
        transparent 100%);
    animation: lightSweep 4s linear infinite;
}

@keyframes lightSweep {
    0% {
        transform: translateX(-120%);
    }
    100% {
        transform: translateX(120%);
    }
}

.sound-icon-box {
    flex-shrink: 0;
    width: 60px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-right: 2px solid rgba(204, 179, 109, 0.3);
    position: relative;
}

.sound-icon-box::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(204, 179, 109, 0.2) 0%, transparent 65%);
    animation: iconGlow 3s ease-in-out infinite;
}

@keyframes iconGlow {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

.sound-wave {
    font-size: 26px;
    position: relative;
    z-index: 2;
    animation: waveMotion 2.2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(204, 179, 109, 0.7));
}

@keyframes waveMotion {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    30% {
        transform: scale(1.1) rotate(-8deg);
    }
    70% {
        transform: scale(1.1) rotate(8deg);
    }
}

.scroll-message-area {
    flex: 1;
    height: 100%;
    overflow: hidden;
    position: relative;
    background: transparent;
    mask-image: linear-gradient(90deg, 
        transparent 0%, 
        black 8%, 
        black 92%, 
        transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, 
        transparent 0%, 
        black 8%, 
        black 92%, 
        transparent 100%);
}

.message-track {
    display: flex;
    align-items: center;
    height: 100%;
    white-space: nowrap;
    animation: scrollMessage 10s linear infinite;
}

.message-track:hover {
    animation-play-state: paused;
}

@keyframes scrollMessage {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

.promo-message {
    display: inline-block;
    padding-right: 140%;
    font-size: 15.5px;
    font-weight: 600;
    color: #f0f0f0;
    line-height: 1.65;
    letter-spacing: 0.4px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9);
}

.highlight-gold {
    color: #CCB36D;
    font-weight: 800;
    text-shadow: 0 0 14px rgba(204, 179, 109, 0.9), 0 0 8px rgba(204, 179, 109, 0.6);
    animation: goldShine 3.5s ease-in-out infinite;
}

.highlight-green {
    color: #3ad63a;
    font-weight: 800;
    text-shadow: 0 0 14px rgba(58, 214, 58, 0.9), 0 0 8px rgba(58, 214, 58, 0.6);
    animation: greenShine 3.5s ease-in-out infinite 0.6s;
}

.highlight-blue {
    color: #1ac8ff;
    font-weight: 800;
    text-shadow: 0 0 14px rgba(26, 200, 255, 0.9), 0 0 8px rgba(26, 200, 255, 0.6);
    animation: blueShine 3.5s ease-in-out infinite 1.2s;
}

@keyframes goldShine {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.4);
    }
}

@keyframes greenShine {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.4);
    }
}

@keyframes blueShine {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.4);
    }
}

.close-button-box {
    flex-shrink: 0;
    width: 60px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-left: 2px solid rgba(204, 179, 109, 0.3);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
}

.close-button-box:hover {
    background: rgba(204, 179, 109, 0.25);
    transform: scale(1.08);
}

.close-button-box:active {
    transform: scale(0.92);
}

.close-icon {
    font-size: 30px;
    color: #ffffff;
    font-weight: 700;
    line-height: 1;
    transition: all 0.35s ease;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.6);
}

.close-button-box:hover .close-icon {
    color: #CCB36D;
    transform: rotate(90deg);
}

.notification-badge {
    position: absolute;
    top: 11px;
    right: 11px;
    background: linear-gradient(135deg, #ff3333 0%, #b80000 100%);
    color: #ffffff;
    font-size: 11.5px;
    font-weight: 900;
    width: 23px;
    height: 23px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(255, 51, 51, 0.8), 0 0 0 2px rgba(255, 51, 51, 0.35);
    animation: badgePulse 3s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.35);
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 10px rgba(255, 51, 51, 0.8), 0 0 0 2px rgba(255, 51, 51, 0.35);
    }
    50% {
        transform: scale(1.25);
        box-shadow: 0 5px 14px rgba(255, 51, 51, 1), 0 0 0 3px rgba(255, 51, 51, 0.6);
    }
}

@media (max-width: 768px) {
    .promo-container {
        height: 54px;
    }
    
    .sound-icon-box {
        width: 54px;
    }
    
    .sound-wave {
        font-size: 22px;
    }
    
    .close-button-box {
        width: 54px;
    }
    
    .promo-message {
        font-size: 14px;
    }
    
    .close-icon {
        font-size: 26px;
    }
    
    .notification-badge {
        width: 21px;
        height: 21px;
        font-size: 10.5px;
        top: 9px;
        right: 9px;
    }
}

@media (max-width: 480px) {
    .promo-container {
        height: 50px;
    }
    
    .sound-icon-box {
        width: 50px;
    }
    
    .sound-wave {
        font-size: 20px;
    }
    
    .close-button-box {
        width: 50px;
    }
    
    .promo-message {
        font-size: 13px;
        letter-spacing: 0.25px;
    }
    
    .close-icon {
        font-size: 24px;
    }
    
    .notification-badge {
        width: 19px;
        height: 19px;
        font-size: 9.5px;
        top: 8px;
        right: 8px;
    }
}