.wechat-overlay{position:fixed;inset:0;background:rgba(0, 0, 0, 0.45);display:flex;align-items:center;justify-content:center;z-index:99999;animation:flashFadeIn .25s ease}.wechat-modal{background:#fff;border-radius:16px;padding:32px 28px 24px;max-width:340px;width:90%;text-align:center;box-shadow:0 20px 60px rgba(0, 0, 0, 0.25);animation:flashPop .3s ease}.wechat-icon{margin-bottom:12px}.wechat-title{font-size:1rem;font-weight:600;color:#333;margin:0 0 12px}.wechat-id{font-size:1.4rem;font-weight:700;color:#07c160;margin:0 0 24px;letter-spacing:1px;word-break:break-all;user-select:all}.wechat-btns{display:flex;gap:10px;justify-content:center}.wechat-btn-copy{padding:10px 28px;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;background:#07c160;color:#fff;transition:all .2s}.wechat-btn-copy:hover{opacity:.85}.wechat-btn-close{padding:10px 28px;border:1px solid #ddd;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;background:#fff;color:#666;transition:all .2s}.wechat-btn-close:hover{background:#f5f5f5}