/* ========== 公告系统响应式样式 ========== */

/* --- 页面内嵌公告面板 --- */
.announcement-panel .panel-body {
    font-size: 14px;
    line-height: 1.8;
}
.announcement-panel .announcement-title {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 18px;
    word-break: break-word;
}
.announcement-panel .announcement-content {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: break-word;
}
.announcement-panel .announcement-time {
    margin-bottom: 0;
    margin-top: 10px;
    font-size: 12px;
}

/* --- 弹窗公告 --- */
#announcementModal .modal-dialog {
    margin: 30px auto;
}
#announcementModal .modal-header {
    background: #337ab7;
    color: #fff;
    border-radius: 5px 5px 0 0;
    padding: 15px 20px;
}
#announcementModal .modal-header .close {
    color: #fff;
    opacity: 0.8;
    text-shadow: none;
}
#announcementModal .modal-header .close:hover {
    opacity: 1;
}
#announcementModal .modal-title {
    font-size: 18px;
    word-break: break-word;
}
#announcementModal .modal-body {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.8;
    font-size: 14px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 20px;
}
#announcementModal .modal-footer {
    padding: 10px 20px;
}
#announcementModal .modal-footer .announcement-time-label {
    font-size: 12px;
    line-height: 34px;
}

/* ========== 响应式断点 ========== */

/* 平板 (<=991px) */
@media (max-width: 991px) {
    .announcement-panel .announcement-title {
        font-size: 16px;
    }
    #announcementModal .modal-dialog {
        margin: 20px auto;
        width: 90%;
    }
    #announcementModal .modal-title {
        font-size: 16px;
    }
    #announcementModal .modal-body {
        font-size: 14px;
        padding: 15px;
        max-height: 55vh;
    }
}

/* 手机 (<=767px) */
@media (max-width: 767px) {
    .announcement-panel .panel-heading {
        padding: 10px 12px;
    }
    .announcement-panel .panel-heading .panel-title {
        font-size: 14px;
    }
    .announcement-panel .panel-body {
        padding: 12px;
    }
    .announcement-panel .announcement-title {
        font-size: 15px;
        margin-bottom: 8px;
    }
    .announcement-panel .announcement-content {
        font-size: 13px;
        line-height: 1.7;
    }
    .announcement-panel .announcement-time {
        font-size: 11px;
    }

    /* 弹窗全屏化 */
    #announcementModal .modal-dialog {
        margin: 0;
        width: 100%;
        height: 100%;
    }
    #announcementModal .modal-content {
        min-height: 100vh;
        border-radius: 0;
        border: none;
    }
    #announcementModal .modal-header {
        border-radius: 0;
        padding: 12px 15px;
    }
    #announcementModal .modal-title {
        font-size: 16px;
    }
    #announcementModal .modal-body {
        font-size: 14px;
        padding: 15px;
        max-height: calc(100vh - 120px);
        flex: 1;
    }
    #announcementModal .modal-footer {
        padding: 10px 15px;
    }
    #announcementModal .modal-footer .btn {
        width: 100%;
        padding: 10px;
        font-size: 16px;
    }
    #announcementModal .modal-footer .announcement-time-label {
        display: block;
        text-align: center;
        margin-bottom: 8px;
        line-height: 1.4;
    }
}

/* 小屏手机 (<=480px) */
@media (max-width: 480px) {
    .announcement-panel .announcement-title {
        font-size: 14px;
    }
    .announcement-panel .announcement-content {
        font-size: 12px;
        line-height: 1.6;
    }
    #announcementModal .modal-title {
        font-size: 15px;
    }
    #announcementModal .modal-body {
        font-size: 13px;
        padding: 12px;
    }
}