/* ===== 隐私政策 ===== */
#privacyModal .modal-content {
    position: relative;
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
}
#privacyModal .modal-body {
    padding: 0;
    height: 80vh;
    overflow: hidden;
    position: relative;
}
#privacyModal .modal-body iframe {
    width: 100%;
    height: 100%;
    background: #fff;
    border: none;
}
/* 关闭按钮：绝对定位，悬浮右上角，不占布局空间，无白条 */
#privacyModal .btn-close {
    position: absolute;
    top: 3px;
    right: 20px;
    z-index: 1060;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
    opacity: 0.95;
    transition: opacity 0.2s, transform 0.2s;
    cursor: pointer;
}
#privacyModal .btn-close:hover {
    opacity: 1;
    transform: scale(1.08);
    background-color: rgba(255, 255, 255, 1);
}
#privacyModal .btn-close:focus {
    box-shadow: 0 0 0 2px rgba(33, 108, 231, 0.3);
}