.app{min-height:100vh;background:var(--bg-primary);display:flex;flex-direction:column}.main-content-new{flex:1;padding-top:56px;padding-bottom:60px;min-height:100vh}.container-new{max-width:100%;height:100%}.posts-page{padding:16px;background:var(--bg-primary)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary);color:var(--text-secondary);gap:16px}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:var(--radius-full);animation:spin .8s linear infinite}@media (min-width: 769px){.container-new{max-width:420px;margin:0 auto;box-shadow:var(--shadow-heavy);background:var(--bg-white);border-radius:0}.main-content-new{background:#e5ddd5}}.auth-container{min-height:100vh;background:linear-gradient(180deg,var(--primary-color) 0%,var(--primary-dark) 100%);display:flex;flex-direction:column;position:relative;overflow:hidden}.auth-decoration{position:absolute;top:0;left:0;right:0;height:50%;overflow:hidden;pointer-events:none}.decoration-circle{position:absolute;border-radius:50%;background:#ffffff1a}.circle-1{width:200px;height:200px;top:-50px;right:-50px}.circle-2{width:150px;height:150px;top:100px;left:-40px}.circle-3{width:80px;height:80px;top:180px;right:40px}.auth-content{flex:1;display:flex;flex-direction:column;padding:60px 24px 40px;padding-top:calc(60px + var(--safe-area-inset-top));padding-bottom:calc(40px + var(--safe-area-inset-bottom));position:relative;z-index:1}.auth-logo{text-align:center;margin-bottom:40px}.logo-icon{width:80px;height:80px;background:#fff3;border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#fff}.logo-icon svg{width:48px;height:48px}.app-name{font-size:32px;font-weight:700;color:#fff;margin-bottom:8px;letter-spacing:2px}.app-slogan{font-size:14px;color:#fffc}.auth-card{background:var(--bg-white);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-heavy);animation:slideUp .4s ease-out}.auth-tabs{display:flex;position:relative;margin-bottom:24px;background:var(--bg-secondary);border-radius:var(--radius-md);padding:4px}.auth-tabs button{flex:1;padding:12px;background:none;border:none;font-size:15px;font-weight:500;color:var(--text-secondary);position:relative;z-index:1;transition:color var(--transition-fast)}.auth-tabs button.active{color:var(--text-primary)}.tab-indicator{position:absolute;top:4px;left:4px;width:calc(50% - 4px);height:calc(100% - 8px);background:var(--bg-white);border-radius:var(--radius-sm);box-shadow:var(--shadow-light);transition:transform var(--transition-normal)}.tab-indicator.right{transform:translate(100%)}.auth-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column}.input-wrapper{display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--bg-secondary);border-radius:var(--radius-md);border:2px solid transparent;transition:border-color var(--transition-fast)}.input-wrapper:focus-within{border-color:var(--primary-color);background:var(--bg-white)}.input-icon{width:20px;height:20px;color:var(--text-tertiary);flex-shrink:0}.input-wrapper:focus-within .input-icon{color:var(--primary-color)}.input-wrapper input{flex:1;padding:14px 0;border:none;background:none;font-size:15px;color:var(--text-primary)}.input-wrapper input::placeholder{color:var(--text-tertiary)}.error-message{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#fa51511a;border-radius:var(--radius-md);color:var(--danger-color);font-size:14px;animation:shake .3s ease}.error-message svg{width:18px;height:18px;flex-shrink:0}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.submit-btn{width:100%;padding:14px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);font-size:16px;font-weight:600;margin-top:8px;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;min-height:48px}.submit-btn:hover:not(:disabled){background:var(--primary-dark)}.submit-btn:disabled{opacity:.7}.loading-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.auth-links{text-align:center;margin-top:16px}.link-btn{background:none;border:none;color:var(--primary-color);font-size:14px}.auth-footer{text-align:center;margin-top:auto;padding-top:32px;color:#fffc;font-size:14px}.switch-btn{background:none;border:none;color:#fff;font-size:14px;font-weight:600;margin-left:4px}@media (max-width: 768px){.auth-content{padding:40px 20px 30px;padding-top:calc(40px + var(--safe-area-inset-top));padding-bottom:calc(30px + var(--safe-area-inset-bottom))}.logo-icon{width:70px;height:70px}.logo-icon svg{width:42px;height:42px}.app-name{font-size:28px}.auth-card{padding:20px}.auth-tabs button{padding:14px;font-size:16px;min-height:48px}.input-wrapper{min-height:52px}.input-wrapper input{padding:16px 0;font-size:16px}.submit-btn{min-height:52px;font-size:17px}}@media (max-width: 375px){.auth-content{padding:30px 16px 24px;padding-top:calc(30px + var(--safe-area-inset-top))}.auth-logo{margin-bottom:30px}.logo-icon{width:60px;height:60px;border-radius:16px}.logo-icon svg{width:36px;height:36px}.app-name{font-size:24px;margin-bottom:6px}.app-slogan{font-size:13px}.auth-card{padding:16px;border-radius:16px}.auth-tabs{margin-bottom:20px}.auth-tabs button{padding:12px;font-size:15px;min-height:44px}.auth-form{gap:14px}.input-wrapper{padding:0 14px;min-height:48px}.input-wrapper input{padding:14px 0;font-size:15px}.submit-btn{min-height:48px;font-size:16px;margin-top:6px}.auth-footer{padding-top:24px;font-size:13px}}@media (min-width: 769px){.auth-content{max-width:400px;margin:0 auto}}.scanner-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000;z-index:2000;animation:fadeIn .2s ease}.scanner-container{width:100%;height:100%;display:flex;flex-direction:column}.scanner-header{display:flex;justify-content:space-between;align-items:center;padding:16px;padding-top:calc(16px + var(--safe-area-inset-top));background:transparent;position:absolute;top:0;left:0;right:0;z-index:10}.scanner-header h3{font-size:17px;font-weight:500;color:#fff}.scanner-close,.scanner-album{width:40px;height:40px;background:#0000004d;border:none;border-radius:var(--radius-full);color:#fff;display:flex;align-items:center;justify-content:center}.scanner-close svg,.scanner-album svg{width:22px;height:22px}.scanner-viewport{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.scanner-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.scanner-frame{position:relative;width:250px;height:250px;z-index:5}.scanner-corner{position:absolute;width:24px;height:24px;border-color:var(--primary-color);border-style:solid;border-width:0}.scanner-corner.top-left{top:0;left:0;border-top-width:3px;border-left-width:3px}.scanner-corner.top-right{top:0;right:0;border-top-width:3px;border-right-width:3px}.scanner-corner.bottom-left{bottom:0;left:0;border-bottom-width:3px;border-left-width:3px}.scanner-corner.bottom-right{bottom:0;right:0;border-bottom-width:3px;border-right-width:3px}.scanner-line{position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent);animation:scanLine 2s ease-in-out infinite}@keyframes scanLine{0%,to{top:0}50%{top:calc(100% - 2px)}}.scanner-hint{position:absolute;bottom:150px;color:#fffc;font-size:14px;z-index:5}.demo-scan-btn{position:absolute;bottom:100px;padding:12px 24px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-xl);font-size:14px;z-index:5}.manual-input-section{display:flex;flex-direction:column;align-items:center;padding:40px 24px;text-align:center;z-index:5}.manual-icon{width:80px;height:80px;background:#ffffff1a;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;margin-bottom:24px}.manual-icon svg{width:40px;height:40px;color:#fff}.manual-input-section h4{font-size:20px;font-weight:500;color:#fff;margin-bottom:8px}.manual-input-section>p{font-size:14px;color:#fff9;margin-bottom:32px}.manual-form{width:100%;max-width:300px}.manual-form input{width:100%;padding:14px 16px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);color:#fff;font-size:15px;margin-bottom:12px}.manual-form input::placeholder{color:#fff6}.manual-error{color:var(--danger-color);font-size:13px;margin-bottom:12px}.manual-form button{width:100%;padding:14px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);font-size:16px;font-weight:500}.manual-form button:disabled{opacity:.5}.back-to-scan{margin-top:24px;padding:12px 24px;background:none;border:1px solid rgba(255,255,255,.3);border-radius:var(--radius-xl);color:#fff;font-size:14px}.scanner-footer{display:flex;justify-content:center;gap:60px;padding:24px;padding-bottom:calc(24px + var(--safe-area-inset-bottom));background:#00000080}.scanner-feature{display:flex;flex-direction:column;align-items:center;gap:8px;background:none;border:none;color:#fff}.scanner-feature svg{width:28px;height:28px}.scanner-feature span{font-size:12px;color:#fffc}.qrcode-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease;padding:20px}.qrcode-container{background:var(--bg-primary);border-radius:var(--radius-xl);width:100%;max-width:340px;animation:scaleIn .3s ease-out;overflow:hidden}.qrcode-header{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--bg-white)}.qrcode-header h3{font-size:17px;font-weight:500;color:var(--text-primary)}.qrcode-close{width:32px;height:32px;background:var(--bg-secondary);border:none;border-radius:var(--radius-full);color:var(--text-secondary);display:flex;align-items:center;justify-content:center}.qrcode-close svg{width:18px;height:18px}.qrcode-card{background:var(--bg-white);margin:16px;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-medium)}.qrcode-user-info{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:.5px solid var(--border-color)}.qrcode-avatar{width:56px;height:56px;border-radius:var(--radius-md);background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;font-size:32px;overflow:hidden}.qrcode-avatar img{width:100%;height:100%;object-fit:cover}.qrcode-user-details{flex:1}.qrcode-username{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.qrcode-id{font-size:13px;color:var(--text-secondary)}.qrcode-image-container{position:relative;display:flex;justify-content:center;margin-bottom:16px}.qrcode-canvas{border-radius:var(--radius-md)}.qrcode-center-avatar{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;background:var(--bg-white);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:28px;overflow:hidden;border:2px solid var(--primary-color)}.qrcode-center-avatar img{width:100%;height:100%;object-fit:cover}.qrcode-center-avatar .avatar-text{font-size:28px}.qrcode-hint{text-align:center;font-size:13px;color:var(--text-secondary)}.qrcode-actions{display:flex;gap:12px;padding:0 16px 16px}.qrcode-action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;background:var(--bg-white);border:none;border-radius:var(--radius-md);color:var(--text-primary);font-size:14px}.qrcode-action-btn svg{width:18px;height:18px;color:var(--primary-color)}.header{position:fixed;top:0;left:0;right:0;background:var(--primary-color);z-index:1000;height:56px}.header-content{max-width:100%;height:100%;margin:0 auto;padding:0 16px;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center}.logo{font-size:18px;font-weight:600;color:var(--text-white);margin:0;letter-spacing:1px}.header-right{display:flex;align-items:center;gap:8px}.header-icon-btn{width:40px;height:40px;background:transparent;border:none;border-radius:var(--radius-full);color:var(--text-white);display:flex;align-items:center;justify-content:center;transition:background var(--transition-fast)}.header-icon-btn:hover{background:#ffffff26}.header-icon-btn svg{width:22px;height:22px}.header-user-menu{position:relative}.header-avatar{width:36px;height:36px;background:#fff3;border:none;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:20px;overflow:hidden;transition:transform var(--transition-fast)}.header-avatar:hover{transform:scale(1.05)}.header-avatar-img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-full)}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:var(--bg-white);border-radius:var(--radius-md);box-shadow:var(--shadow-heavy);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-fast);z-index:1001}.header-user-menu:hover .user-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-user-info{display:flex;align-items:center;gap:12px;padding:16px}.dropdown-avatar{width:40px;height:40px;font-size:24px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:hidden}.dropdown-avatar img{width:100%;height:100%;object-fit:cover}.dropdown-username{font-weight:600;color:var(--text-primary);font-size:15px}.dropdown-divider{height:1px;background:var(--border-color);margin:0 16px}.dropdown-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;background:none;border:none;color:var(--text-primary);font-size:14px;text-align:left;transition:background var(--transition-fast)}.dropdown-item:hover{background:var(--bg-secondary)}.dropdown-item svg{width:18px;height:18px;color:var(--text-secondary)}@media (min-width: 769px){.header-content{max-width:420px}}.menu-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;z-index:1000}.add-menu{position:absolute;top:calc(100% + 8px);right:8px;min-width:160px;background:#4a4a4a;border-radius:var(--radius-md);box-shadow:var(--shadow-heavy);z-index:1001;overflow:hidden;animation:menuSlideDown .15s ease-out}@keyframes menuSlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.add-menu:before{content:"";position:absolute;top:-6px;right:16px;width:12px;height:12px;background:#4a4a4a;transform:rotate(45deg)}.add-menu-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;background:none;border:none;color:#fff;font-size:14px;text-align:left;transition:background var(--transition-fast)}.add-menu-item:hover{background:#ffffff1a}.add-menu-item svg{width:20px;height:20px}.search-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:2000;animation:fadeIn .2s ease}.search-container{padding:16px;padding-top:calc(16px + var(--safe-area-inset-top));background:var(--bg-primary)}.search-form{display:flex;align-items:center;gap:12px;background:var(--bg-white);border-radius:var(--radius-sm);padding:0 12px}.search-form-icon{width:18px;height:18px;color:var(--text-tertiary);flex-shrink:0}.search-form input{flex:1;padding:12px 0;border:none;background:none;font-size:15px;color:var(--text-primary)}.search-form input::placeholder{color:var(--text-tertiary)}.search-confirm-btn{padding:8px 16px;background:var(--primary-color);border:none;border-radius:var(--radius-sm);color:#fff;font-size:14px;flex-shrink:0}.search-confirm-btn:disabled{opacity:.5}.search-cancel{padding:8px 12px;background:none;border:none;color:var(--text-secondary);font-size:15px;flex-shrink:0}.search-results{background:var(--bg-white);margin-top:12px;border-radius:var(--radius-md);overflow:hidden}.search-result-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:.5px solid var(--border-color)}.search-result-item:last-child{border-bottom:none}.result-avatar{width:40px;height:40px;background:var(--bg-secondary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:22px;overflow:hidden}.result-avatar img{width:100%;height:100%;object-fit:cover}.result-info{flex:1;display:flex;flex-direction:column}.result-id{font-size:12px;color:var(--text-secondary)}.result-add-btn{padding:6px 16px;background:var(--primary-color);border:none;border-radius:var(--radius-sm);color:#fff;font-size:13px}.modal-overlay-header{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:3000;animation:fadeIn .2s ease}.modal-content-header{background:var(--bg-white);border-radius:var(--radius-lg);width:90%;max-width:360px;animation:modalSlideUp .3s ease-out}.modal-content-header.modal-large{max-width:400px;max-height:80vh;overflow-y:auto}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header-inner{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:.5px solid var(--border-color)}.modal-header-inner h3{font-size:17px;font-weight:500;color:var(--text-primary)}.modal-close-btn{width:28px;height:28px;background:var(--bg-secondary);border:none;border-radius:var(--radius-full);color:var(--text-secondary);font-size:14px;display:flex;align-items:center;justify-content:center}.modal-body-inner{padding:20px 16px}.form-group-header{margin-bottom:16px}.form-group-header label{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:8px}.form-group-header input{width:100%;padding:12px;border:1px solid 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var(--divider-color);cursor:pointer;transition:background .15s ease}.friend-select-item:last-child{border-bottom:none}.friend-select-item:hover{background:var(--bg-secondary)}.friend-select-item.selected{background:#07c1601a}.friend-avatar{width:36px;height:36px;background:var(--bg-secondary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:20px;overflow:hidden}.friend-avatar img{width:100%;height:100%;object-fit:cover}.friend-name{flex:1;font-size:15px;color:var(--text-primary)}.friend-check{width:22px;height:22px;border:2px solid var(--border-color);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;transition:all .15s ease}.friend-select-item.selected .friend-check{background:var(--primary-color);border-color:var(--primary-color)}@media (max-width: 768px){.header{height:56px}.header-content{padding:0 14px}.logo{font-size:18px}.header-icon-btn{width:44px;height:44px}.header-icon-btn svg{width:24px;height:24px}.header-avatar{width:36px;height:36px;font-size:20px}.add-menu{right:6px;min-width:180px}.add-menu-item{padding:16px 18px;font-size:15px}.add-menu-item svg{width:22px;height:22px}.search-form{padding:0 14px}.search-form input{padding:14px 0;font-size:16px}.search-confirm-btn{padding:10px 18px;font-size:15px}.search-cancel{font-size:16px}.modal-content-header{width:92%}.modal-body-inner{padding:20px}.form-group-header input,.btn-cancel-header,.btn-confirm-header{padding:14px;font-size:16px}}@media (max-width: 375px){.header{height:52px}.header-content{padding:0 10px}.logo{font-size:16px}.header-icon-btn{width:40px;height:40px}.header-icon-btn svg{width:22px;height:22px}.header-avatar{width:32px;height:32px;font-size:18px}.add-menu{min-width:160px}.add-menu-item{padding:14px 16px;font-size:14px}.search-form input{padding:12px 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UI,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;min-height:-webkit-fill-available;overscroll-behavior:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;line-height:1.5}input,textarea{-webkit-user-select:text;user-select:text}#root{min-height:100vh;min-height:-webkit-fill-available}@supports (-webkit-touch-callout: none){body,#root{min-height:-webkit-fill-available}}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@media (max-width: 768px){::-webkit-scrollbar{display:none}*{-ms-overflow-style:none;scrollbar-width:none}html{font-size:16px}body{font-size:14px}}@media (max-width: 375px){html{font-size:14px}}@media (max-height: 500px) and (orientation: landscape){.safe-area-bottom{padding-bottom:8px}}button,.clickable{-webkit-tap-highlight-color:transparent;cursor:pointer;font-family:inherit}button:active:not(:disabled){opacity:.7;transform:scale(.98)}input,textarea,select{font-size:16px!important;-webkit-appearance:none;-moz-appearance:none;appearance:none;font-family:inherit}input:focus,textarea:focus{outline:none}.safe-area-bottom{padding-bottom:var(--safe-area-inset-bottom)}.safe-area-top{padding-top:var(--safe-area-inset-top)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes ripple{0%{transform:scale(.8);opacity:1}to{transform:scale(2.4);opacity:0}}.fade-in{animation:fadeIn var(--transition-normal)}.slide-up{animation:slideUp var(--transition-normal)}