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0!important;width:100%!important;max-height:80vh!important;overflow-y:auto!important;padding:20px!important;padding-bottom:calc(20px + env(safe-area-inset-bottom))!important;animation:slideUpPanel .28s var(--ease-spring) both}@keyframes slideUpPanel{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.mobile-friend-item:active{background:#eef9ef!important}.mobile-back-btn:active,.back-btn:active{background:#f0f0f0!important;transform:scale(.93)!important}.mobile-settings-item:active{background:#f0f0f0!important}.mobile-request-btn.accept:active{background:#06ad56!important;transform:scale(.95)!important}.mobile-request-btn.reject:active{background:#e0e0e0!important;transform:scale(.95)!important}@keyframes mobileSlideIn{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}.mobile-chat-page .message-item,.mobile-message-list .message-item{animation:mobileBubbleIn .22s var(--ease-out) both}@keyframes mobileBubbleIn{0%{opacity:0;transform:translateY(6px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.mobile-header-avatar:active,.mobile-profile-avatar:active{transform:scale(.96)!important}}@media (max-width: 768px){.mobile-expand-btn{display:flex!important}.main-container{display:flex!important;flex-direction:column!important;height:100vh!important;height:100dvh!important;background-color:#f5f5f5!important;position:relative!important;overflow:hidden!important}.main-container>.sidebar{display:none!important}.main-container>[style*="width: 300px"]{display:none!important}.main-container>.content-area{display:none!important}.mobile-content-area{position:absolute!important;top:0!important;left:0!important;right:0!important;bottom:56px!important;flex:1!important;display:flex!important;flex-direction:column!important;overflow:hidden!important;background-color:#f5f5f5!important}.mobile-bottom-nav{display:flex!important;position:absolute!important;bottom:0!important;left:0!important;right:0!important;height:56px!important;background:#fff!important;border-top:1px solid #e0e0e0!important;z-index:9999!important;padding-bottom:env(safe-area-inset-bottom)!important}.mobile-nav-item i{font-size:22px!important;margin-bottom:4px!important}.mobile-nav-item span{font-size:10px!important}.mobile-nav-item.active{color:#07c160!important}.mobile-nav-item .nav-badge{position:absolute!important;top:4px!important;right:50%!important;transform:translate(12px)!important;background:#ff4d4f!important;color:#fff!important;font-size:10px!important;min-width:16px!important;height:16px!important;border-radius:8px!important;display:flex!important;align-items:center!important;justify-content:center!important;padding:0 4px!important}.mobile-chat-list-header{flex-shrink:0!important;height:48px!important;padding:0 16px!important;background:#fff!important;border-bottom:1px solid #f0f0f0!important;display:flex!important;align-items:center!important;justify-content:space-between!important}.mobile-chat-list-header h2,.mobile-chat-list-header .add-btn{display:none!important}.mobile-header-user{display:flex!important;align-items:center!important;gap:8px!important;cursor:pointer!important;transition:opacity .15s!important}.mobile-header-user:active{opacity:.75!important}.mobile-header-avatar{width:32px!important;height:32px!important;border-radius:50%!important;background-color:#07c160!important;color:#fff!important;display:flex!important;align-items:center!important;justify-content:center!important;font-size:14px!important;font-weight:600!important;overflow:hidden!important;flex-shrink:0!important;transition:transform .2s!important}.mobile-header-avatar img{width:100%!important;height:100%!important;object-fit:cover!important;border-radius:50%!important}.mobile-header-username{font-size:15px!important;font-weight:500!important;color:#333!important;max-width:120px!important;overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important}.mobile-header-title{font-size:15px!important;font-weight:500!important;color:#666!important}.mobile-search-box{flex-shrink:0!important;padding:8px 16px!important;background:#f5f5f5!important}.mobile-search-input{width:100%!important;padding:8px 12px!important;border:none!important;border-radius:6px!important;background:#fff!important;font-size:14px!important;transition:background-color .2s!important}.mobile-search-input:focus{outline:none!important;background:#fff!important}.mobile-chat-list{flex:1!important;overflow-y:auto!important;-webkit-overflow-scrolling:touch!important;min-height:0!important}.mobile-chat-header{flex-shrink:0!important;height:48px!important;padding:0 12px!important;background:#fff!important;border-bottom:1px solid #e0e0e0!important;display:flex!important;align-items:center!important;gap:12px!important}.mobile-chat-header .back-btn{width:32px!important;height:32px!important;display:flex!important;align-items:center!important;justify-content:center!important;color:#333!important;background:transparent!important;border:none!important;font-size:18px!important;transition:background-color .2s,transform .15s!important}.mobile-chat-header .avatar{width:40px!important;height:40px!important;border-radius:4px!important;background-size:cover!important;background-position:center!important;background-color:#07c160!important;display:flex!important;align-items:center!important;justify-content:center!important;color:#fff!important;font-size:18px!important;flex-shrink:0!important}.mobile-chat-header .chat-info{flex:1!important;min-width:0!important}.mobile-chat-header .chat-name{font-size:16px!important;font-weight:600!important;color:#333!important;overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important}.mobile-chat-header .chat-status{font-size:12px!important;color:#999!important}.mobile-chat-header .action-btns{display:flex!important;gap:8px!important}.mobile-chat-header .action-btn{width:36px!important;height:36px!important;border-radius:50%!important;display:flex!important;align-items:center!important;justify-content:center!important;background:transparent!important;border:none!important;color:#666!important;font-size:18px!important;transition:background-color .2s,transform .15s!important}.mobile-chat-header .action-btn:active{background:#f0f0f0!important;transform:scale(.93)!important}.mobile-message-list,.mobile-chat-page .chat-content,.mobile-chat-page .message-list{flex:1!important;overflow-y:auto!important;-webkit-overflow-scrolling:touch!important;min-height:0!important}.mobile-chat-page .chat-content{padding:8px 8px 100px!important;background-color:#f5f5f5!important}.mobile-message-list .message-item{margin-bottom:12px!important}.mobile-chat-page .message-item .message-content-wrapper,.mobile-message-list .message-item .message-content-wrapper{flex-shrink:0!important;max-width:min(82vw,300px)!important}.mobile-message-list .message-content{max-width:100%!important;min-width:0!important;width:auto!important;padding:10px 14px!important;word-break:normal!important;overflow-wrap:break-word!important}.mobile-chat-page .message-item .message-content,.mobile-chat-page .message-item.received .message-content{max-width:100%!important;width:fit-content!important;word-break:normal!important;overflow-wrap:break-word!important;word-wrap:break-word!important;white-space:pre-wrap!important;writing-mode:horizontal-tb!important;text-orientation:mixed!important}.mobile-chat-page .message-item .message-content>div{word-break:normal!important;overflow-wrap:break-word!important;max-width:100%!important}.mobile-input-area{flex-shrink:0!important;padding:8px 12px!important;padding-bottom:calc(8px + env(safe-area-inset-bottom))!important;background:#fff!important;border-top:1px solid #e0e0e0!important;z-index:100!important;position:relative!important}.mobile-input-tools{display:flex!important;align-items:center!important;gap:12px!important;margin-bottom:8px!important}.mobile-input-tools .tool-btn{width:36px!important;height:36px!important;border-radius:50%!important;display:flex!important;align-items:center!important;justify-content:center!important;background:transparent!important;border:none!important;color:#666!important;font-size:20px!important;cursor:pointer!important;transition:all .2s!important}.mobile-expand-btn{width:36px!important;height:36px!important;border-radius:50%!important;display:flex!important;align-items:center!important;justify-content:center!important;background:transparent!important;border:none!important;color:#666!important;font-size:18px!important;cursor:pointer!important;transition:all .2s!important}.mobile-input-row{display:flex!important;align-items:flex-end!important;gap:10px!important}.mobile-input-row textarea{flex:1!important;min-height:36px!important;max-height:120px!important;border:1px solid #e0e0e0!important;border-radius:20px!important;padding:8px 14px!important;resize:none!important;font-size:15px!important;line-height:1.4!important;background:#fff!important;color:#333!important;transition:border-color .2s!important}.mobile-input-row textarea:focus{outline:none!important;border-color:#07c160!important}.mobile-send-btn{width:60px!important;height:36px!important;border-radius:20px!important;background:#07c160!important;color:#fff!important;border:none!important;font-size:14px!important;font-weight:500!important;flex-shrink:0!important;cursor:pointer!important;transition:all .2s!important;box-shadow:0 2px 8px #07c1604d!important}.mobile-fullscreen-input{position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;background:#fff!important;z-index:10001!important;display:flex!important;flex-direction:column!important;animation:fadeIn .2s ease both!important}.mobile-fullscreen-header{display:flex!important;align-items:center!important;justify-content:space-between!important;padding:12px 16px!important;background:#f5f5f5!important;border-bottom:1px solid #e0e0e0!important}.mobile-fullscreen-restore{font-size:20px!important;color:#666!important;background:none!important;border:none!important;cursor:pointer!important;padding:4px 8px!important;display:flex!important;align-items:center!important;justify-content:center!important;transition:color .2s!important}.mobile-fullscreen-title{font-size:16px!important;font-weight:600!important;color:#333!important}.mobile-fullscreen-send{font-size:15px!important;color:#07c160!important;background:none!important;border:none!important;cursor:pointer!important;padding:4px 8px!important;font-weight:500!important;transition:opacity 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16px!important;background:#f5f5f5!important;font-size:13px!important;font-weight:600!important;color:#666!important}.mobile-settings-page.settings-panel{display:flex!important;flex-direction:column!important;padding-bottom:70px!important}.mobile-settings-page.settings-panel>*{flex-shrink:0!important}.mobile-settings-page.settings-panel>h2{font-size:18px!important;padding:16px!important;margin-bottom:0!important;background:#fff!important}.mobile-settings-section{background:#fff!important;border-radius:0!important;margin-bottom:1px!important;overflow:hidden!important}.mobile-settings-item{padding:14px 16px!important;display:flex!important;justify-content:space-between!important;align-items:center!important;border-bottom:1px solid #f0f0f0!important;background:#fff!important;transition:background-color .15s!important}.mobile-settings-item:last-child{border-bottom:none!important}.mobile-settings-item .label{font-size:15px!important;color:#333!important}.mobile-settings-item 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14px!important;border-radius:16px!important;font-size:13px!important;border:none!important;cursor:pointer!important;transition:background-color .2s,transform .15s!important}.mobile-request-btn.accept{background:#07c160!important;color:#fff!important}.mobile-request-btn.reject{background:#f0f0f0!important;color:#666!important}.mobile-profile-page.profile-panel{display:flex!important;flex-direction:column!important;padding-bottom:70px!important}.mobile-profile-page.profile-panel>*{flex-shrink:0!important}.mobile-profile-header{text-align:center!important;margin-bottom:20px!important}.mobile-profile-avatar{width:80px!important;height:80px!important;border-radius:50%!important;margin:0 auto 12px!important;background:#07c160!important;background-size:cover!important;background-position:center!important;display:flex!important;align-items:center!important;justify-content:center!important;color:#fff!important;font-size:32px!important;transition:transform 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.avatar{width:44px!important;height:44px!important}.mobile-request-actions{width:100%!important;justify-content:flex-end!important;margin-top:8px!important}.profile-panel{padding:12px!important}.profile-form{padding:14px!important}.account-info{padding:14px!important;margin-top:16px!important}.form-item{margin-bottom:14px!important}.form-actions{flex-direction:column!important}.form-actions .btn{width:100%!important}.add-friend-container{height:auto!important}.add-friend-content{padding:16px!important}.add-friend-header{margin-bottom:16px!important}.add-friend-header h2{font-size:18px!important}.add-friend-search{margin-bottom:16px!important}.search-result-item{padding:12px!important;flex-wrap:wrap!important}.search-result-item .avatar{width:44px!important;height:44px!important}.search-result-item .user-name{font-size:14px!important}.toast{bottom:80px!important;max-width:90%!important;text-align:center!important}.custom-context-menu{position:fixed!important;left:10%!important;right:10%!important;top:30%!important;bottom:auto!important;transform:none!important}.custom-context-menu ul{min-width:auto!important}.custom-context-menu li{padding:12px 16px!important;font-size:15px!important}.attachment-preview{max-width:200px!important}.attachment-preview img{max-width:200px!important;max-height:200px!important}.add-friend-panel.mobile-full-page{height:100%!important;display:flex!important;flex-direction:column!important}.add-friend-panel.mobile-full-page h2{font-size:18px!important;margin-bottom:16px!important}.add-friend-panel.mobile-full-page .search-section{margin-bottom:16px!important}.add-friend-panel.mobile-full-page .user-card{padding:12px!important;flex-wrap:wrap!important}.add-friend-panel.mobile-full-page .user-card .avatar{width:44px!important;height:44px!important}.add-friend-panel.mobile-full-page .user-info{flex:1!important}.add-friend-panel.mobile-full-page .user-info>div:first-child{font-size:14px!important}.add-friend-panel.mobile-full-page .user-actions{width:100%!important;justify-content:flex-end!important;margin-top:8px!important}.add-friend-panel.mobile-full-page .tips{padding:16px!important}.add-friend-panel.mobile-full-page .tips h3{font-size:15px!important;margin-bottom:10px!important}.add-friend-panel.mobile-full-page .tips ul{font-size:13px!important}}@media (max-width: 768px){.pc-only{display:none!important}}@media (min-width: 769px){.mobile-only,.mobile-bottom-nav,.mobile-expand-btn{display:none!important}}