html.sbn2026-active, html.sbn2026-active body {
    overflow: hidden !important;
}
#sbn2026-gate, #sbn2026-gate * { box-sizing: border-box; }
#sbn2026-gate {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    z-index: 2147483647 !important;
    display: flex !important;
    flex-direction: column;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    max-height: none !important;
    margin: 0 !important;
    padding: 24px 16px;
    border: 0;
    overflow: auto;
    overscroll-behavior: contain;
    background: linear-gradient(135deg, #e0e7ff 0%, #fae8ff 100%);
    color: #263047;
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    text-align: left;
    direction: ltr;
    isolation: isolate;
    -webkit-text-size-adjust: 100%;
}
#sbn2026-gate::backdrop { background: #e0e7ff; }
#sbn2026-gate .sbn-card {
    flex: 0 0 auto;
    width: 100%;
    max-width: 480px;
    margin: auto;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 12px 40px rgba(49, 46, 129, .12);
}
#sbn2026-gate .sbn-badge {
    display: inline-block;
    margin: 0 0 16px;
    padding: 4px 12px;
    border-radius: 20px;
    background: #eef2ff;
    color: #4338ca;
    font-size: 13px;
    font-weight: 600;
}
#sbn2026-gate .sbn-title {
    margin: 0 0 12px;
    color: #3730a3;
    font: inherit;
    font-size: 27px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0;
}
#sbn2026-gate .sbn-description { margin: 0 0 24px; color: #596579; }
#sbn2026-gate .sbn-steps { margin: 0 0 24px; padding: 0; list-style: none; counter-reset: sbn-step; }
#sbn2026-gate .sbn-step {
    position: relative;
    margin: 12px 0;
    padding: 16px 14px 16px 54px;
    border-radius: 14px;
    background: #f5f5ff;
    counter-increment: sbn-step;
}
#sbn2026-gate .sbn-step::before {
    content: counter(sbn-step);
    position: absolute;
    left: 14px;
    top: 17px;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #4f46e5;
    color: #fff;
    text-align: center;
    font-size: 15px;
    line-height: 28px;
}
#sbn2026-gate .sbn-step-title { font-weight: 600; color: #343b55; }
#sbn2026-gate .sbn-step-text { margin: 4px 0 0; font-size: 14px; color: #596579; }
#sbn2026-gate .sbn-label { display: block; margin: 0 0 8px; font-size: 14px; font-weight: 600; }
#sbn2026-gate .sbn-copy-area { display: flex; align-items: stretch; width: 100%; }
#sbn2026-gate .sbn-url {
    flex: 1 1 0;
    width: 0;
    min-width: 0;
    height: auto;
    margin: 0;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #fff;
    color: #374151;
    font: inherit;
    font-size: 16px;
    line-height: 1.5;
    text-overflow: ellipsis;
    -webkit-user-select: text;
    user-select: text;
}
#sbn2026-gate .sbn-copy-button {
    flex: 0 0 auto;
    min-height: 48px;
    margin: 0 0 0 8px;
    padding: 10px 16px;
    border: 0;
    border-radius: 10px;
    background: #4f46e5;
    color: #fff;
    font: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    text-transform: none;
    white-space: nowrap;
    cursor: pointer;
    touch-action: manipulation;
}
#sbn2026-gate .sbn-copy-button:hover { background: #4338ca; }
#sbn2026-gate .sbn-copy-button[aria-busy="true"] { opacity: .7; cursor: progress; }
#sbn2026-gate .sbn-url:focus, #sbn2026-gate .sbn-copy-button:focus {
    outline: 3px solid #a5b4fc;
    outline-offset: 3px;
}
#sbn2026-gate .sbn-status {
    min-height: 48px;
    margin: 12px 0 0;
    color: #4338ca;
    font-size: 14px;
    overflow-wrap: anywhere;
}
#sbn2026-gate .sbn-footnote { margin: 14px 0 0; color: #64748b; font-size: 12px; }
@media (max-width: 380px) {
    #sbn2026-gate .sbn-card { padding: 22px 18px; }
    #sbn2026-gate .sbn-title { font-size: 23px; }
    #sbn2026-gate .sbn-copy-button { padding: 10px 12px; }
}
@supports (padding: max(0px)) {
    #sbn2026-gate {
        padding-top: max(24px, env(safe-area-inset-top));
        padding-bottom: max(24px, env(safe-area-inset-bottom));
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
}