.smyune-notice-float-btn {
            position: fixed;
            left: 0;
            bottom: 120px;
            z-index: 9998;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 14px 10px;
            background: #8982bc;
            color: #ffffff;
            border: none;
            border-radius: 0 10px 10px 0;
            cursor: pointer;
            font-family: inherit;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 3px;
            writing-mode: vertical-rl;
            text-orientation: upright;
            line-height: 1;
            box-shadow: 0 6px 20px rgba(137, 130, 188, 0.45);
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.2s ease;
            user-select: none;
        }
        .smyune-notice-float-btn.show {
            display: flex;
        }
        .smyune-notice-float-btn:hover {
            background: #6f68a3;
            transform: translateX(2px);
            box-shadow: 0 8px 26px rgba(137, 130, 188, 0.55);
        }
        .smyune-notice-float-btn:active {
            transform: translateX(0) scale(0.97);
        }
        .smyune-notice-float-btn .smyune-notice-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #ffffff;
            border-radius: 50%;
            margin-bottom: 6px;
            animation: smyuneNoticeDotPulse 1.6s ease-in-out infinite;
        }
        @keyframes smyuneNoticeDotPulse {
            0%, 100% { opacity: 0.5; transform: scale(0.8); }
            50%      { opacity: 1;   transform: scale(1.15); }
        }

        .smyune-notice-overlay {
            position: fixed;
            inset: 0;
            z-index: 9999;
            background: rgba(15, 23, 42, 0.55);
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(3px);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.35s ease, visibility 0s linear 0.45s;
        }
        .smyune-notice-overlay.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transition: opacity 0.35s ease, visibility 0s linear 0s;
        }

        .smyune-notice-modal {
            width: 100%;
            max-width: 520px;
            max-height: 82vh;
            background: #ffffff;
            border-radius: 10px;
            box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transform: translateX(-120vw);
            opacity: 0;
            transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
                        opacity 0.35s ease;
            will-change: transform, opacity;
        }
        .smyune-notice-overlay.show .smyune-notice-modal {
            transform: translateX(0);
            opacity: 1;
        }

        .smyune-notice-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: linear-gradient(135deg, #8982bc 0%, #6f68a3 100%);
            color: #ffffff;
            flex-shrink: 0;
        }
        .smyune-notice-title {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .smyune-notice-title .smyune-notice-title-icon {
            font-size: 18px;
            flex-shrink: 0;
        }
        .smyune-notice-close {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.18);
            border: none;
            border-radius: 50%;
            color: #ffffff;
            font-size: 18px;
            line-height: 1;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.2s ease;
        }
        .smyune-notice-close:hover {
            background: rgba(255, 255, 255, 0.32);
            transform: rotate(90deg);
        }
        .smyune-notice-body {
            flex: 1;
            overflow-y: auto;
            padding: 20px 22px;
            font-size: 14px;
            color: #4e5969;
            line-height: 1.9;
            word-break: break-word;
        }
        .smyune-notice-body p { margin: 0 0 10px; }
        .smyune-notice-body p:last-child { margin-bottom: 0; }
        .smyune-notice-body a { color: #8982bc; text-decoration: underline; }
        .smyune-notice-body img { max-width: 100%; height: auto; border-radius: 6px; }
        .smyune-notice-body::-webkit-scrollbar { width: 6px; }
        .smyune-notice-body::-webkit-scrollbar-track { background: #f5f7fa; }
        .smyune-notice-body::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
        .smyune-notice-body::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

        .smyune-notice-footer {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 10px;
            padding: 14px 20px;
            background: #f8fafc;
            border-top: 1px solid #e8ecf2;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .smyune-notice-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 9px 20px;
            font-size: 13.5px;
            font-weight: 500;
            font-family: inherit;
            border: 1px solid transparent;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .smyune-notice-btn-today {
            background: #ffffff;
            color: #667085;
            border-color: #d1d5db;
        }
        .smyune-notice-btn-today:hover {
            background: #f1f5f9;
            color: #1d1d1f;
            border-color: #94a3b8;
        }
        .smyune-notice-btn-close {
            background: #8982bc;
            color: #ffffff;
            border-color: #8982bc;
        }
        .smyune-notice-btn-close:hover {
            background: #6f68a3;
            border-color: #6f68a3;
        }

        @media (max-width: 576px) {
            .smyune-notice-float-btn {
                bottom: 90px;
                font-size: 13px;
                padding: 12px 8px;
            }
            .smyune-notice-modal {
                max-width: 100%;
                max-height: 86vh;
            }
            .smyune-notice-header { padding: 14px 16px; }
            .smyune-notice-title { font-size: 15px; }
            .smyune-notice-body { padding: 16px; font-size: 13.5px; }
            .smyune-notice-footer { padding: 12px 16px; }
            .smyune-notice-btn {
                padding: 8px 14px;
                font-size: 13px;
                flex: 1;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .smyune-notice-modal {
                transition: none !important;
                transform: none !important;
                opacity: 1 !important;
            }
            .smyune-notice-overlay {
                transition: none !important;
            }
        }