/* Banner 區域樣式 */
#banner {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    margin: 0 !important;
    position: relative;
}

#banner * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

@keyframes logoFadeIn {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(52, 152, 219, 0.5));
    }
    25% {
        filter: drop-shadow(0 0 20px rgba(243, 156, 18, 0.8));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(231, 76, 60, 0.8));
    }
    75% {
        filter: drop-shadow(0 0 20px rgba(155, 89, 182, 0.8));
    }
}

.brand-section {
    text-align: center;
    margin: 50px auto 30px;
    animation: logoFadeIn 1s ease-out;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.logo-container {
    margin-bottom: 25px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.logo-container img {
    max-width: 600px;
    width: 90%;
    height: auto;
    animation: glow 6s infinite;
}

.tagline {
    font-size: 1em;
    line-height: 1.4;
    color: #ddd;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    margin: 10px 0 20px;
    font-weight: 300;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    cursor: default;
    pointer-events: none;
}

@media screen and (max-width: 768px) {
    .brand-section {
        margin: 30px auto 20px;
    }
    
    .logo-container img {
        max-width: 450px;
        width: 85%;
    }
    
    .tagline {
        font-size: 0.95em;
        padding: 0 15px;
    }
}

@media screen and (max-width: 480px) {
    .brand-section {
        margin: 20px auto 15px;
    }
    
    .logo-container img {
        max-width: 350px;
        width: 80%;
    }
    
    .tagline {
        font-size: 0.85em;
        padding: 0 10px;
    }
}