#btn_top {
    position: fixed !important;
    bottom: 120px !important;
    right: 30px !important;
    z-index: 99999 !important;
    width: 50px;
    height: 50px;
    background: #000;
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s, transform 0.4s;
    font-family: 'JetBrains Mono', monospace;
    opacity: 0;
    pointer-events: none;
}
#btn_top.show {
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateY(0);
}
#btn_top:not(.show) {
    transform: translateY(20px);
}
#btn_top:hover {
    background: #e11d48;
}

:root { --nc-main: #f43f5e; --nc-border: #d9dee5; --nc-text-main: #17202a; --nc-text-sub: #68717c; }
.nc-footer { width: 100%; background: var(--nc-bg, #fff); color: var(--nc-text-sub); font-family: var(--nc-ui, 'Pretendard', sans-serif); padding: 34px 0 24px; margin-top: 44px; border-top: 0; }
.nc-footer-container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.nc-footer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.nc-footer-logo { font-size: 18px; font-weight: 900; color: #17202a; letter-spacing: .06em; text-decoration: none; font-family: 'JetBrains Mono', monospace; }
.nc-footer-sns { display: flex; align-items: center; gap: 18px; }
.nc-footer-sns a { font-size: 11px; font-weight: 700; color: var(--nc-text-sub); text-decoration: none; margin-left: 0; transition: 0.2s; }
.nc-footer-sns a:hover { color: var(--nc-main); }
.nc-btn-config { color: var(--nc-main) !important; font-size: 14px; margin-left: 15px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.nc-footer-body { padding: 18px 0 8px; border: 0; border-top: 0; border-bottom: 0; font-size: 12px; line-height: 1.8; }
.nc-bar { width: 1px; height: 10px; background-color: #4a4a4a; margin: 0 12px; display: inline-block; vertical-align: middle; }
.nc-footer .stats-container { display: flex; gap: 24px; margin: 22px 0; }
.nc-footer .stats-card { display: flex; align-items: baseline; gap: 8px; min-width: 150px; padding: 0; background: transparent; border: 0; }
.nc-footer .stats-label { font-size: 11px; color: var(--nc-text-sub); }
.nc-footer .stats-value { font-size: 1.1rem; font-weight: 800; color: #17202a; }
.nc-footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 0; }
.nc-copyright { font-size: 11px; color: #17202a; }
.nc-policy-links a { font-size: 11px; color: #68717c; text-decoration: none; margin-left: 20px; }
.nc-policy-links a.active { color: #17202a; font-weight: 700; }

/* 모달 스타일 */
.nc-modal { display: none; position: fixed; z-index: 10000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(3px); }
.nc-modal-content { background: #fff; color: #17202a; margin: 5% auto; padding: 30px; border: 1px solid #e5e7eb; border-radius: 15px; width: 460px; box-shadow: 0 20px 50px rgba(23,32,42,.16); }
.nc-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; border-bottom: 1px solid #e5e7eb; padding-bottom: 15px; font-weight: 900; font-size: 14px; color: #17202a; }
.nc-form-group { margin-bottom: 18px; }
.nc-form-group label { display: block; font-size: 11px; font-weight: 700; color: #68717c; margin-bottom: 8px; }
.nc-form-group input { width: 100%; padding: 10px; border: 1px solid #d9dee5; border-radius: 6px; font-size: 13px; box-sizing: border-box; background: #f8fafc; color: #17202a; }
.nc-btn-save { width: 100%; padding: 15px; background: var(--nc-main); color: #fff; border: none; border-radius: 8px; font-weight: 800; cursor: pointer; margin-top: 10px; transition: 0.2s; }
.nc-btn-save:hover { opacity: 0.9; }

@media (max-width: 700px) {
    .nc-footer-container { padding: 0 20px; }
    .nc-footer-top, .nc-footer-bottom { align-items: flex-start; flex-direction: column; gap: 14px; }
    .nc-footer-sns a, .nc-policy-links a { margin: 0 14px 0 0; }
    .nc-footer-body address, .nc-contact { display: flex; flex-wrap: wrap; gap: 4px 0; }
    .nc-bar { display: none; }
    .nc-modal-content { width: calc(100% - 40px); box-sizing: border-box; margin: 20px auto; padding: 22px; max-height: 85vh; overflow-y: auto; }
}