.privacy-policy{color:#666;text-decoration:none;transition:color .3s}.privacy-policy:hover{color:#1890ff;text-decoration:underline}.privacy-policy-content{max-width:800px;width:90%;max-height:80vh}.privacy-content{max-height:60vh;overflow-y:auto;padding:0 20px;text-align:left;line-height:1.6}.privacy-content h1{font-size:1.8em;margin-bottom:.8em;text-align:center}.privacy-content h2{font-size:1.4em;margin:1em 0 .5em;border-bottom:1px solid #eee;padding-bottom:.3em}.privacy-content ul{padding-left:2em;margin:.5em 0}@media (max-width: 768px){.privacy-policy-content{width:95%;max-height:85vh}.privacy-content{padding:0 10px}.privacy-content h1{font-size:1.5em}.privacy-content h2{font-size:1.2em}}.textarea-container{position:relative;width:100%}.textarea-container textarea{width:100%;height:100%}.clear-textarea-btn{position:absolute;bottom:10px;right:10px;width:24px;height:24px;border-radius:50%;background-color:#ff4d4fcc;color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;z-index:10;padding:0}.clear-textarea-btn:hover{background-color:#ff4d4f}@media (max-width: 768px){.clear-textarea-btn{width:30px;height:30px;font-size:18px}}.farmer-qrcode-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:#fff;height:calc(100vh - 300px);max-height:800px;overflow:hidden}.farmer-qrcode{width:auto;height:auto;max-width:100%;max-height:calc(100% - 60px);object-fit:contain}@media screen and (max-width: 768px){.farmer-qrcode-container{height:calc(100vh - 250px);padding:15px}.farmer-qrcode{max-width:95%;max-height:calc(100% - 50px)}}.farmer-tip{margin-top:15px;color:#666;text-align:center}.mermaid-switch .tooltip-content{display:none;position:absolute;background:rgba(0,0,0,.8);color:#fff;padding:8px 12px;border-radius:4px;font-size:12px;width:250px;bottom:30px;left:50%;transform:translate(-50%);z-index:1001;pointer-events:none;white-space:normal;line-height:1.4;box-shadow:0 2px 8px #0000004d}.mermaid-switch .tooltip-content:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border-width:5px 5px 0;border-style:solid;border-color:rgba(0,0,0,.8) transparent transparent}@media screen and (max-width: 768px){.mermaid-switch .tooltip-content{width:auto;max-width:80vw;left:50%;bottom:35px;transform:translate(-50%);font-size:12px;line-height:1.4;padding:8px 12px;white-space:normal;z-index:1001}.mermaid-switch .tooltip-content:after{left:50%;top:100%;transform:translate(-50%);border-width:6px 6px 0;border-color:rgba(0,0,0,.8) transparent transparent}}.mermaid-switch{display:flex;align-items:center;margin-right:15px;position:relative}.mermaid-switch label{display:flex;align-items:center;cursor:pointer;font-size:14px}.mermaid-switch input[type=checkbox]{margin-right:5px}.mermaid-switch .tooltip-trigger{display:inline-block;width:16px;height:16px;background:#409eff;color:#fff;border-radius:50%;text-align:center;line-height:16px;font-size:12px;margin-left:5px;cursor:help}.mermaid-switch:hover .tooltip-content{display:block}.tip-modal{max-width:400px;width:90%;padding:20px;border-radius:8px}.tip-content{margin:20px 0;text-align:left;white-space:pre-line;line-height:1.6;padding:0 15px}.title-container{display:flex;align-items:center;justify-content:center;gap:12px;margin:20px auto;width:100%;text-align:center}.logo{width:70px;height:70px;object-fit:contain;margin:0}@media screen and (max-width: 768px){.tip-modal{width:85%;padding:15px;margin:10px}.tip-content{margin:15px 0;padding:0 5px;font-size:14px}.tip-modal h3{font-size:16px;margin-bottom:10px}.title-container{gap:8px;margin:15px auto}.logo{width:50px;height:50px}}@media screen and (max-width: 480px){.tip-modal{width:90%;padding:12px}.tip-content{font-size:12px;margin:12px 0;font-size:14px}.logo{width:40px;height:40px}h1{font-size:1.5rem;line-height:40px}}.membership-terms{max-width:500px;width:90%}.terms-content{margin:20px 0;text-align:left;line-height:1.6;padding:0 15px}.terms-buttons{display:flex;justify-content:space-between;gap:20px;margin-top:20px;padding:0 15px 15px}.confirm-btn{background:#4CAF50;color:#fff;border:none;padding:8px 20px;border-radius:4px;cursor:pointer;flex:1}.confirm-btn:hover{background:#45a049}.membership-terms .cancel-btn{flex:1;padding:8px 20px}@media screen and (max-width: 768px){.membership-terms{width:95%;margin:10px}.membership-terms h3{font-size:16px;padding:15px 10px}.terms-content{margin:15px 0;font-size:14px;padding:0 10px}.terms-content p{margin:8px 0}.terms-buttons{padding:0 10px 10px;margin-top:15px}.confirm-btn,.membership-terms .cancel-btn{padding:10px 15px;font-size:14px}}.user-status{display:flex;align-items:center;gap:15px;margin-bottom:10px}.vip-badge{display:flex;align-items:center;background:linear-gradient(45deg,#FFD700,#FFA500);color:#fff;padding:4px 8px;border-radius:15px;font-size:14px;box-shadow:0 2px 4px #0000001a}.crown{margin-right:4px}.yearly-member{background:linear-gradient(45deg,#8B0000,#FF0000);position:relative;color:#fff;font-weight:700}.yearly-member:hover{background:linear-gradient(45deg,#FF0000,#8B0000)}.vip-tag{position:absolute;top:-10px;left:-10px;background:#FFD700;color:#8b0000;padding:2px 6px;border-radius:10px;font-size:12px;font-weight:700;transform:rotate(-15deg);box-shadow:0 2px 4px #0003}.member-tag{position:absolute;top:-10px;right:-10px;background:#E6A23C;color:#fff;padding:2px 6px;border-radius:10px;font-size:12px;transform:scale(.9)}@media screen and (max-width: 768px){.yearly-member{font-size:14px;padding:12px}.member-tag{top:-8px;right:-8px;font-size:11px}}.batch-100{background-color:#e6a23c}.batch-100:hover{background-color:#d48f1f}@media screen and (max-width: 768px){.batch-100{margin-top:8px;font-size:14px;padding:12px}}.description,.new-feature{margin:8px 0}.preview-limit{color:#e6a23c;padding:10px;border:1px solid #e6a23c;border-radius:4px;background:#fdf6ec;text-align:center}.preview-throttle{color:#909399;padding:10px;border:1px solid #dcdfe6;border-radius:4px;background:#f4f4f5;text-align:center}.editor-tabs{display:flex;gap:10px;margin-bottom:10px;padding:10px;border-radius:8px;justify-content:center;background:#f5f7fa}.tab-btn{padding:10px 24px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease;background:#ffffff;color:#606266;box-shadow:0 2px 4px #0000000d;min-width:120px;text-align:center}.tab-btn:hover{background:#ecf5ff;color:#409eff}.tab-btn.active{background:#409eff;color:#fff;box-shadow:0 2px 8px #409eff4d}.tab-btn-paste{padding:10px 24px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease;background:#ffffff;color:#606266;box-shadow:0 2px 4px #0000000d;min-width:120px;text-align:center}.tab-btn-paste:hover{background:red;color:#fff}.preview-area{min-height:300px;max-height:calc(100vh - 275px);border:1px solid #ddd;border-radius:4px;padding:15px;background:white;overflow:hidden;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;pointer-events:none}.preview-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.2);color:#fff;border:none;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:28px;font-weight:700;transition:all .3s ease;z-index:10;border-radius:20%;opacity:0;visibility:hidden;pointer-events:auto}.preview-container{position:relative;min-height:300px}.preview-container:hover .preview-nav{opacity:1;visibility:visible;pointer-events:auto}.preview-prev{left:10px}.preview-next{right:10px}.preview-area table{border-collapse:collapse;width:100%;margin:1em 0}.preview-area th,.preview-area td{border:1px solid #ddd;padding:8px;text-align:left}.preview-area th{background-color:#f5f7fa}.preview-area pre{background-color:#f8f9fa;border:1px solid #ebeef5;border-radius:4px;padding:16px;margin:1em 0;overflow-x:auto}.preview-area code{font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:.9em;padding:.2em .4em;border-radius:3px}.preview-area :not(pre)>code{background-color:#f3f4f5;color:#476582}.preview-area pre::-webkit-scrollbar{height:6px;width:6px}.preview-area pre::-webkit-scrollbar-thumb{background:#909399;border-radius:3px}.preview-area pre::-webkit-scrollbar-track{background:#f4f4f5}.preview-area .math-display{display:block;text-align:center;margin:1em 0;overflow-x:auto}.preview-area mjx-container[display=true]{display:flex!important;justify-content:center;margin:1em 0!important}.preview-area mjx-container:not([display="true"]){display:inline-flex!important;margin:0!important}.preview-area::-webkit-scrollbar{width:6px}.preview-area::-webkit-scrollbar-track{background:#f4f4f5;border-radius:3px}.preview-area::-webkit-scrollbar-thumb{background:#909399;border-radius:3px}.preview-area::-webkit-scrollbar-thumb:hover{background:#606266}.preview-area .error{color:red;padding:10px;border:1px solid red;border-radius:4px;background:#fff5f5}.preview-area .empty{color:#666;text-align:center;padding:20px}.login-tip{color:#666;margin:10px 0;font-size:14px}h1{font-size:2rem;margin:0;text-align:center}.container{width:90%;max-width:800px;margin:0 auto;padding:10px;box-sizing:border-box;overflow-x:hidden}textarea{width:100%;min-height:400px;padding:12px;border:2px solid #c8e6c9;border-radius:4px;resize:vertical;font-family:monospace;font-size:16px;line-height:1.5;transition:border-color .3s ease;box-shadow:0 2px 8px #00000014;box-sizing:border-box;word-wrap:break-word;white-space:pre-wrap;-webkit-text-size-adjust:100%;touch-action:manipulation}textarea::placeholder{white-space:pre-line;line-height:1.8;color:#909399;font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}textarea:hover{border-color:#81c784}textarea:focus{border-color:#4caf50;outline:none;box-shadow:0 2px 12px #4caf5026}@media screen and (max-width: 768px){.container{width:100%;padding:10px}h1{font-size:1.5rem;margin:0;line-height:1.2;height:40px;display:flex;align-items:center}.editor{display:flex;flex-direction:column;gap:20px;width:100%}textarea{min-height:300px;font-size:14px;padding:10px}textarea::placeholder{font-size:13px;line-height:1.6}.user-info{flex-direction:column;gap:10px;padding:12px}.remaining-times{font-size:14px;width:100%;text-align:center}.logout-btn{width:100%;padding:8px;margin-top:4px}.batch-20{margin-top:8px;font-size:14px;padding:12px}.preview-nav{width:32px;height:32px;font-size:14px;opacity:1;visibility:visible}}@media screen and (max-width: 480px){textarea{min-height:250px;padding:8px;font-size:13px}.user-info,.batch-20{padding:10px}}button{padding:12px 24px;background-color:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:16px;align-self:flex-start;transition:background-color .3s}button:hover{background-color:#45a049}button:disabled{background-color:#ccc;cursor:not-allowed}@media screen and (max-width: 768px){.container{width:95%;padding:10px}textarea{min-height:300px;font-size:14px}button{width:100%;padding:10px;font-size:14px}.tab-btn{padding:8px 16px;font-size:14px;min-width:100px}}@media screen and (max-width: 480px){.container{width:100%;padding:8px}h1{margin-bottom:0}textarea{min-height:250px;padding:8px}}.description{text-align:center;color:#666;margin-bottom:.5rem}.feature-description{text-align:center;color:#4caf50;margin-bottom:2rem;font-weight:500;font-size:.95rem}.footer{padding:10px 0;margin-top:20px;text-align:center;color:#666}.footer-info{display:flex;justify-content:center;gap:10px;align-items:center;margin-top:10px}.footer-info a{color:#666;text-decoration:none;font-size:.9rem}.footer-info a:hover{color:#333}@media screen and (max-width: 768px){.description{font-size:.9rem;margin-bottom:1.5rem}.footer{margin-top:1.5rem;font-size:.8rem}}.verify-section{display:flex;gap:10px;align-items:center;margin-bottom:10px}.captcha{display:flex;align-items:center;gap:8px;background:#f5f5f5;padding:8px 12px;border-radius:4px;font-family:monospace;font-size:18px;letter-spacing:2px}.refresh-btn{background:none;border:none;cursor:pointer;font-size:20px;color:#666;padding:0 4px}.refresh-btn:hover{color:#333}.captcha-input{padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:16px;width:120px}.icp-info{display:block;color:#666;text-decoration:none}.icp-info:hover{color:#333}@media screen and (max-width: 768px){.verify-section{flex-direction:column;align-items:stretch}.captcha-input{width:93%}.icp-info{font-size:.7rem}}.qr-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.qr-content{background:white;padding:20px;border-radius:8px;text-align:center}.qr-wrapper{width:200px;height:200px;margin:20px auto;display:flex;align-items:center;justify-content:center}.qr-wrapper img{max-width:100%;max-height:100%}.price{font-size:20px;font-weight:700;color:#333;margin:10px 0}.cancel-btn{background:#f5f5f5;color:#666;border:none;padding:8px 16px;border-radius:4px;cursor:pointer}.cancel-btn:hover{background:#e8e8e8}.payment-button{background-color:#1aad19}.payment-button:hover{background-color:#129611}.payment-tip{color:#666;font-size:14px;font-weight:700;margin:8px 0;text-align:center}.loading{color:#666}.feature-list{text-align:center;color:#1aad19;font-size:.9rem;margin-bottom:2rem}@media screen and (max-width: 768px){.feature-list{font-size:.8rem;margin-bottom:1.5rem}}.payment-options{display:flex;gap:12px;margin-bottom:10px;flex-wrap:wrap;justify-content:center}.button-with-tooltip{position:relative;display:inline-flex;align-items:center;justify-content:center;width:100%}.button-with-tooltip button{flex:0 1 auto;margin:0 5px;min-width:fit-content}@media screen and (max-width: 768px){.button-with-tooltip{width:100%}.mermaid-button{width:100%;justify-content:center;gap:8px}.tooltip-trigger{position:relative;right:0}}.payment-options button{flex:0 1 auto;white-space:nowrap;min-width:fit-content;text-align:center}.batch-button{background-color:#ff9800}.batch-button:hover{background-color:#f57c00}.user-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding:8px;background:#f5f5f5;border-radius:4px}.remaining-times{color:#333;font-weight:500}.login-button{background-color:#1e88e5;color:#fff}.login-button:hover{background-color:#1976d2}.logout-btn{padding:4px 8px;font-size:14px;background:#e0e0e0;color:#666;transition:all .3s ease}.logout-btn:hover{background:#ff5252;color:#fff}@media screen and (max-width: 768px){.payment-options{flex-direction:column;align-items:stretch}.payment-options button{width:100%;white-space:normal}}.download-button{background-color:#4caf50;color:#fff;font-weight:700}.download-button:hover{background-color:#388e3c}.batch-20{background-color:#e65100}.batch-20:hover{background-color:#d84315}.help-link{display:block;text-align:center;color:#d84315;text-decoration:none;margin-bottom:2rem;font-size:.9rem}.help-link:hover{text-decoration:underline}@media screen and (max-width: 768px){.help-link{font-size:.8rem;margin-bottom:1.5rem}}.banner{width:100%;height:200px;margin-bottom:2rem;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:7px;overflow:hidden;box-sizing:border-box;position:relative}.banner-container{display:flex;transition:transform .5s ease;height:100%;border-radius:4px;width:100%;position:relative}.banner-image{min-width:100%;width:100%;object-fit:contain}.banner-dots{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:8px}.dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:background-color .3s}.dot.active{background:white}.banner-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.3);color:#fff;border:none;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;transition:all .3s ease;z-index:10;opacity:0;visibility:hidden;border-radius:50%;padding:0}.banner:hover .banner-nav{opacity:1;visibility:visible}.banner-nav:hover{background:rgba(0,0,0,.5)}.prev{left:10px}.next{right:10px}@media screen and (max-width: 768px){.banner{height:200px;margin-bottom:1.5rem}.banner-nav{width:32px;height:32px;font-size:14px;background:rgba(0,0,0,.2)}.prev{left:10px}.next{right:10px}.banner .banner-nav{opacity:1;visibility:visible}}@media screen and (max-width: 480px){.banner-nav{width:28px;height:28px;font-size:12px}.prev{left:8px}.next{right:8px}}.image-preview-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;z-index:2000;cursor:pointer}.preview-image{max-width:90%;max-height:90vh;object-fit:contain;cursor:default}.close-preview{position:absolute;top:20px;right:20px;background:transparent;border:none;color:#fff;font-size:32px;cursor:pointer;padding:10px;line-height:1}.close-preview:hover{color:#ddd}.banner-image{min-width:100%;width:100%;object-fit:contain;cursor:pointer}.mobile-login{background-color:#07c160}.mobile-login:hover{background-color:#06ad56}.batch-50{background-color:#9c27b0}.batch-50:hover{background-color:#7b1fa2}.mermaid-button{background-color:#2196f3;color:#fff;font-weight:700;position:relative;display:inline-flex;align-items:center;gap:4px;text-align:center}.mermaid-button:hover{background-color:#1976d2}.new-feature{text-align:center;color:#2196f3;margin:.5rem 0 1rem;font-weight:500;font-size:.95rem;animation:fadeIn 1s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media screen and (max-width: 768px){.new-feature{font-size:.85rem;margin:.3rem 0 .8rem}}.tooltip-trigger{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:12px;cursor:help;margin-left:4px}.tooltip-content{display:none;position:absolute;bottom:calc(100% + 10px);left:60%;transform:translate(-50%);background:rgba(0,0,0,.8);color:#fff;padding:8px 12px;border-radius:4px;font-size:14px;white-space:nowrap;z-index:1000;pointer-events:none;width:max-content}.tooltip-content:after{content:"";position:absolute;bottom:-5px;left:50%;transform:translate(-50);border-width:5px 5px 0;border-style:solid;border-color:rgba(0,0,0,.8) transparent transparent}.tooltip-trigger:hover+.tooltip-content,.mermaid-button:hover+.tooltip-content{display:block}@media screen and (max-width: 768px){.tooltip-content{width:auto;max-width:90vw;white-space:normal}}.history-container{background:#fff;border:1px solid #ddd;border-radius:8px;padding:16px;min-height:300px;box-sizing:border-box}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid #f0f0f0}.history-header h3{margin:0;font-size:18px;color:#333}.history-refresh-btn{padding:6px 14px;font-size:13px;background:#409eff;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s;align-self:auto;width:auto}.history-refresh-btn:hover{background:#1976d2}.history-refresh-btn:disabled{background:#ccc;cursor:not-allowed}.history-loading,.history-empty{text-align:center;color:#909399;padding:48px 16px}.history-empty-tip{font-size:13px;margin-top:8px;color:#b0b3b8}.history-list{max-height:50vh;overflow-y:auto}.history-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 8px;border-bottom:1px solid #f0f0f0;transition:background-color .2s}.history-item:last-child{border-bottom:none}.history-item:hover{background:#f8fafc}.history-item-main{flex:1;min-width:0}.history-item-title{display:flex;align-items:center;gap:8px}.history-file-name{font-size:14px;color:#333;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-type-badge{flex-shrink:0;font-size:11px;padding:2px 6px;border-radius:3px;color:#fff;font-weight:700;line-height:1.5}.badge-docx{background:#2196f3}.badge-png{background:#ff9800}.history-item-meta{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:12px;color:#909399}.history-preview{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#b0b3b8}.history-size,.history-time{flex-shrink:0}.history-item-actions{display:flex;gap:8px;flex-shrink:0}.history-download-btn{padding:6px 16px;font-size:13px;background:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s;width:auto;align-self:auto}.history-download-btn:hover{background:#388e3c}.history-delete-btn{padding:6px 12px;font-size:13px;background:#fff;color:#e53935;border:1px solid #ffcdd2;border-radius:4px;cursor:pointer;transition:all .3s;width:auto;align-self:auto}.history-delete-btn:hover{background:#ffebee}@media screen and (max-width: 768px){.history-container{padding:12px;min-height:260px}.history-header h3{font-size:16px}.history-item{flex-direction:column;align-items:stretch;gap:8px}.history-item-actions{justify-content:flex-end}.history-item-actions button{flex:1}.history-list{max-height:55vh}.history-item-meta{flex-wrap:wrap;gap:6px}.history-preview{display:none}}@media screen and (max-width: 480px){.history-file-name{font-size:13px}.history-item{padding:10px 4px}}.history-list-footer{text-align:center;padding:14px 0 6px;font-size:12px;color:#909399}.history-list-footer .history-load-more{display:inline-block}.history-list-footer .history-no-more{color:#c0c4cc}.history-load-more:before{content:"";display:inline-block;width:12px;height:12px;margin-right:6px;border:2px solid #dcdfe6;border-top-color:#409eff;border-radius:50%;vertical-align:-2px;animation:history-spin .8s linear infinite}@keyframes history-spin{to{transform:rotate(360deg)}}