.main-notice-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(5px);
}

.main-notice-overlay.active {
    opacity: 1;
    visibility: visible;
}

.main-notice-content {
    background: linear-gradient(145deg, #1e1e1e, #252525);
    border: 1px solid #444;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.main-notice-overlay.active .main-notice-content {
    transform: scale(1);
}

.main-notice-header {
    padding: 20px 24px;
    border-bottom: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
}

.main-notice-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent, #ffbd53);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.main-notice-close-btn {
    background: none;
    border: none;
    color: #888;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
    padding: 0;
    line-height: 1;
}

.main-notice-close-btn:hover {
    color: #fff;
}

.main-notice-body {
    padding: 24px;
    overflow-y: auto;
    color: #ddd;
    line-height: 1.6;
    font-size: 1rem;
}

.main-notice-body h3 {
    color: #fff;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.main-notice-body p {
    margin-bottom: 15px;
}

.main-notice-body ul {
    margin-bottom: 15px;
    padding-left: 20px;
}

.main-notice-body li {
    margin-bottom: 8px;
}

.main-notice-footer {
    padding: 16px 24px;
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
}

.main-notice-dont-show {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #aaa;
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
}

.main-notice-dont-show input[type="checkbox"] {
    accent-color: var(--accent, #ffbd53);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.main-notice-confirm-btn {
    background-color: var(--accent, #ffbd53);
    color: #000;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s, filter 0.2s;
}

.main-notice-confirm-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.main-notice-confirm-btn:active {
    transform: translateY(1px);
}

@keyframes highlight-pulse {
    0% {
        outline: 2px solid transparent;
        background-color: transparent;
    }

    50% {
        outline: 2px solid var(--accent, #ffbd53);
        background-color: rgba(255, 189, 83, 0.1);
    }

    100% {
        outline: 2px solid transparent;
        background-color: transparent;
    }
}

.highlight-backup {
    animation: highlight-pulse 1.5s ease-in-out 3;
    border-radius: 8px;
}