.announcement-open {
    overflow: hidden;
}

.announcement-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(10, 12, 24, 0.72);
    backdrop-filter: blur(8px);
    z-index: 1000;
}

.announcement-modal.is-visible {
    display: flex;
}

.announcement-dialog {
    display: flex;
    flex-direction: column;
    width: min(100%, 820px);
    max-height: min(88vh, 920px);
    background: linear-gradient(180deg, #ffffff 0%, #f7f8fc 100%);
    border-radius: 28px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
    overflow: hidden;
    color: #2b2f42;
}

.announcement-header {
    padding: 30px 36px 22px;
    border-bottom: 1px solid #e6eaf2;
    text-align: center;
}

.announcement-header h2 {
    font-size: 34px;
    line-height: 1.25;
    color: #1d2238;
}

.announcement-body {
    flex: 1 1 auto;
    min-height: 0;
    padding: 28px 36px;
    overflow-y: auto;
    line-height: 1.85;
    font-size: 18px;
}

.announcement-body p {
    margin: 0 0 16px;
}

.announcement-body h3 {
    margin: 30px 0 14px;
    padding-left: 12px;
    border-left: 5px solid #4062d6;
    font-size: 22px;
    line-height: 1.4;
    color: #1e2646;
}

.announcement-body ul {
    margin: 0 0 18px;
    padding-left: 24px;
}

.announcement-body li {
    margin-bottom: 12px;
}

.announcement-body strong {
    color: #1d2238;
}

.announcement-highlight {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    background: #fff5db;
    color: #c28014;
    font-weight: 700;
}

.announcement-note {
    margin-top: 24px;
    padding: 16px 18px;
    border-left: 4px solid #4062d6;
    border-radius: 12px;
    background: #f1f5ff;
}

.announcement-note p:last-child {
    margin-bottom: 0;
}

.announcement-footer {
    min-height: 63px;
    padding: 0 36px;
    border-top: 1px solid #e6eaf2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.announcement-close {
    min-width: 88px;
    height: 37px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, #5576eb 0%, #3557cb 100%);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 12px 26px rgba(53, 87, 203, 0.28);
}

.announcement-signoff {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #e6eaf2;
    text-align: right;
    color: #70778f;
    font-size: 15px;
}

@media (max-width: 767px) {
    .announcement-modal {
        padding: 16px;
        align-items: flex-start;
    }

    .announcement-dialog {
        width: 100%;
        max-height: calc(100vh - 32px);
        margin-top: 16px;
        border-radius: 22px;
    }

    .announcement-header {
        padding: 24px 22px 18px;
    }

    .announcement-header h2 {
        font-size: 24px;
    }

    .announcement-body {
        flex: 1 1 auto;
        min-height: 0;
        padding: 22px;
        font-size: 15px;
        line-height: 1.75;
    }

    .announcement-body h3 {
        margin-top: 24px;
        font-size: 18px;
    }

    .announcement-footer {
        min-height: 49px;
        padding: 0 22px;
    }

    .announcement-close {
        width: 100%;
        min-width: 0;
        height: 33px;
        font-size: 13px;
    }

    .announcement-signoff {
        font-size: 13px;
    }
}