.app{display:flex;flex-direction:column;min-height:100vh}.footer{margin-top:auto;padding:15px 0;background-color:var(--white);border-top:1px solid var(--light-gray);text-align:center;font-size:14px;color:#666}.home[data-v-adf0af0e]{min-height:calc(100vh - 50px)}.header[data-v-adf0af0e]{padding:60px 0 40px;text-align:center;background-color:var(--white);box-shadow:var(--shadow);margin-bottom:40px}.title[data-v-adf0af0e]{font-size:2.5rem;margin-bottom:1rem;color:var(--primary-color)}.subtitle[data-v-adf0af0e]{font-size:1.2rem;color:#666;max-width:600px;margin:0 auto}.main[data-v-adf0af0e]{padding-bottom:60px}.app-grid[data-v-adf0af0e]{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;max-width:900px;margin:0 auto}.app-card[data-v-adf0af0e]{display:flex;flex-direction:column;align-items:center;padding:30px;border-radius:10px;background-color:var(--white);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;text-decoration:none;color:var(--text-color)}.app-card[data-v-adf0af0e]:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a}.app-icon[data-v-adf0af0e]{width:80px;height:80px;margin-bottom:20px}.app-icon img[data-v-adf0af0e]{width:100%;height:100%;object-fit:contain}.app-title[data-v-adf0af0e]{font-size:1.5rem;margin-bottom:15px;color:var(--text-color)}.app-description[data-v-adf0af0e]{text-align:center;color:#666;line-height:1.5}@media (max-width: 768px){.header[data-v-adf0af0e]{padding:40px 0 30px}.title[data-v-adf0af0e]{font-size:2rem}.app-grid[data-v-adf0af0e]{grid-template-columns:1fr}}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub
  Description: Light theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-light
  Current colors taken from GitHub's CSS
*/.hljs{color:#24292e;background:#ffffff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#005cc5}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-comment,.hljs-code,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}.message[data-v-a903cf57]{display:flex;margin-bottom:24px;max-width:85%}.message-user[data-v-a903cf57]{margin-left:auto;flex-direction:row-reverse}.message-ai[data-v-a903cf57]{margin-right:auto}.message-avatar[data-v-a903cf57]{flex-shrink:0;width:40px;height:40px;border-radius:50%;overflow:hidden;margin:0 12px}.message-avatar img[data-v-a903cf57]{width:100%;height:100%;object-fit:cover}.message-content[data-v-a903cf57]{background-color:var(--white);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow);min-width:200px}.message-user .message-content[data-v-a903cf57]{background-color:var(--primary-color);color:#fff}.message-ai .message-content[data-v-a903cf57]{background-color:var(--white);text-align:left}.message-header[data-v-a903cf57]{display:flex;justify-content:space-between;margin-bottom:8px;font-size:14px}.message-name[data-v-a903cf57]{font-weight:700}.message-time[data-v-a903cf57]{color:#00000080;font-size:12px}.message-user .message-time[data-v-a903cf57]{color:#ffffffb3}.message-text[data-v-a903cf57]{word-break:break-word;line-height:1.5}.message-text[data-v-a903cf57] pre{background-color:#f5f5f5;padding:10px;border-radius:4px;overflow-x:auto;margin:10px 0}.message-text[data-v-a903cf57] code{font-family:Consolas,Monaco,Andale Mono,monospace}.message-text[data-v-a903cf57] p{margin-bottom:8px}.message-text[data-v-a903cf57] h1,.message-text[data-v-a903cf57] h2,.message-text[data-v-a903cf57] h3,.message-text[data-v-a903cf57] h4,.message-text[data-v-a903cf57] h5,.message-text[data-v-a903cf57] h6{margin-top:16px;margin-bottom:8px;font-weight:600}.message-text[data-v-a903cf57] ul,.message-text[data-v-a903cf57] ol{padding-left:20px;margin-bottom:8px}.message-text[data-v-a903cf57] li{margin-bottom:4px}.message-text[data-v-a903cf57] table{border-collapse:collapse;margin:12px 0;width:100%}.message-text[data-v-a903cf57] th,.message-text[data-v-a903cf57] td{border:1px solid #ddd;padding:8px;text-align:left}.message-text[data-v-a903cf57] th{background-color:#f2f2f2;font-weight:700}.message-text[data-v-a903cf57] blockquote{border-left:4px solid var(--light-gray);margin:8px 0;padding:4px 12px;color:#666}.message-user .message-text[data-v-a903cf57] code{background-color:#fff3}@media (max-width: 768px){.message[data-v-a903cf57]{max-width:95%}.message-avatar[data-v-a903cf57]{width:32px;height:32px}}.chat-container[data-v-079325cd]{display:flex;flex-direction:column;height:100vh;position:relative}.chat-header[data-v-079325cd]{background-color:var(--white);box-shadow:0 2px 4px #0000001a;padding:15px 0;position:sticky;top:0;z-index:10}.header-content[data-v-079325cd]{display:flex;align-items:center;justify-content:space-between}.back-button[data-v-079325cd]{display:flex;align-items:center;color:var(--primary-color);text-decoration:none;font-weight:500}.back-icon[data-v-079325cd]{margin-right:5px;font-size:1.2rem}.chat-title[data-v-079325cd]{font-size:1.5rem;margin:0;color:var(--text-color)}.chat-id[data-v-079325cd]{font-size:.85rem;color:#666}.chat-main[data-v-079325cd]{flex:1;overflow:hidden;padding:20px 0;background-color:var(--background-color)}.chat-container-inner[data-v-079325cd]{display:flex;height:100%}.sidebar-wrapper[data-v-079325cd]{width:280px;min-width:280px;position:relative;transition:all .3s ease;margin-right:20px}.sidebar-collapsed[data-v-079325cd]{width:0!important;min-width:0!important;margin-right:0!important}.chat-sidebar[data-v-079325cd]{width:100%;height:100%;background-color:var(--white);border-right:1px solid var(--light-gray);border-radius:8px;padding:20px;display:flex;flex-direction:column;overflow-y:auto;position:relative;box-shadow:var(--shadow)}.sidebar-collapsed .chat-sidebar[data-v-079325cd]{opacity:0;pointer-events:none}.sidebar-collapse-btn[data-v-079325cd]{position:absolute;top:20px;right:-16px;width:32px;height:32px;background-color:var(--white);border:1px solid var(--light-gray);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 2px 8px #00000026;transition:all .3s ease;color:#666}.sidebar-collapse-btn[data-v-079325cd]:hover{background-color:#f0f5ff;color:var(--primary-color);transform:translate(-2px);box-shadow:0 4px 12px #0003}.sidebar-collapse-btn[data-v-079325cd]:after{content:"收起侧边栏";position:absolute;top:50%;right:42px;transform:translateY(-50%);background-color:#000000b3;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;pointer-events:none}.sidebar-collapse-btn[data-v-079325cd]:hover:after{opacity:1;visibility:visible}.sidebar-collapsed .sidebar-collapse-btn[data-v-079325cd]{opacity:0;visibility:hidden}.sidebar-expand-btn[data-v-079325cd]{position:absolute;top:20px;left:-16px;width:32px;height:32px;background-color:var(--white);border:1px solid var(--light-gray);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 2px 8px #00000026;transition:all .3s ease;color:#666}.sidebar-expand-btn[data-v-079325cd]:hover{background-color:#f0f5ff;color:var(--primary-color);transform:translate(2px);box-shadow:0 4px 12px #0003}.tooltip[data-v-079325cd]{position:absolute;left:42px;background-color:#000000b3;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;pointer-events:none}.sidebar-expand-btn:hover .tooltip[data-v-079325cd]{opacity:1;visibility:visible}.sidebar-collapse-btn svg[data-v-079325cd],.sidebar-expand-btn svg[data-v-079325cd]{stroke:#666;transition:stroke .2s ease}.sidebar-collapse-btn:hover svg[data-v-079325cd],.sidebar-expand-btn:hover svg[data-v-079325cd]{stroke:var(--primary-color)}.chat-content[data-v-079325cd]{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--white);border-radius:8px;box-shadow:var(--shadow);transition:all .3s ease;position:relative}.content-expanded[data-v-079325cd]{max-width:100%}.sidebar-header[data-v-079325cd]{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid var(--light-gray)}.sidebar-title[data-v-079325cd]{margin:0;font-size:1.1rem;color:var(--text-color)}.new-chat-button[data-v-079325cd]{width:100%;padding:10px;border-radius:6px;background-color:#fff;color:var(--text-color);border:1px solid var(--light-gray);display:flex;align-items:center;justify-content:center;font-size:14px;margin:0 0 15px;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px #0000000d}.new-chat-button[data-v-079325cd]:hover{background-color:#00000008;border-color:#0000001a}.icon[data-v-079325cd]{margin-right:8px;font-size:16px}.session-list[data-v-079325cd]{flex:1;overflow-y:auto}.session-item[data-v-079325cd]{padding:10px;border-radius:6px;margin-bottom:8px;cursor:pointer;transition:background-color .2s;display:flex;justify-content:space-between;align-items:center}.session-item[data-v-079325cd]:hover{background-color:#f0f5ff}.session-item.active[data-v-079325cd]{background-color:#e8f0fe;border-left:3px solid var(--primary-color)}.session-content[data-v-079325cd]{flex:1;overflow:hidden;display:flex;flex-direction:column}.session-name[data-v-079325cd]{font-weight:500;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-time[data-v-079325cd]{font-size:.8rem;color:#777}.delete-session-btn[data-v-079325cd]{width:24px;height:24px;border-radius:50%;background-color:transparent;color:#999;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;margin-left:8px;visibility:hidden;opacity:0}.session-item:hover .delete-session-btn[data-v-079325cd]{visibility:visible;opacity:1}.delete-session-btn[data-v-079325cd]:hover{background-color:#ff4d4f;color:#fff}.delete-icon[data-v-079325cd]{font-size:16px;font-weight:700}.no-sessions[data-v-079325cd]{color:#999;text-align:center;padding:20px 0}.chat-messages[data-v-079325cd]{flex:1;overflow-y:auto;padding:20px}.empty-chat[data-v-079325cd]{height:100%;display:flex;align-items:center;justify-content:center}.welcome-message[data-v-079325cd]{text-align:center;padding:30px;max-width:500px;background-color:var(--white);border-radius:12px;box-shadow:var(--shadow)}.welcome-avatar[data-v-079325cd]{width:80px;height:80px;margin-bottom:20px}.chat-input-area[data-v-079325cd]{padding:15px;border-top:1px solid var(--light-gray)}.input-container[data-v-079325cd]{display:flex;gap:10px}.message-input[data-v-079325cd]{flex:1;padding:12px 15px;border:1px solid var(--light-gray);border-radius:8px;resize:none;height:60px;font-family:Microsoft YaHei,sans-serif;font-size:1rem}.message-input[data-v-079325cd]:focus{outline:none;border-color:var(--primary-color)}.send-button[data-v-079325cd]{background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;padding:0 20px;font-weight:500;cursor:pointer;transition:background-color .2s}.send-button[data-v-079325cd]:hover:not(:disabled){background-color:#3367d6}.send-button[data-v-079325cd]:disabled{background-color:#a8c7fa;cursor:not-allowed}.delete-confirm-modal[data-v-079325cd]{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.delete-confirm-content[data-v-079325cd]{background-color:#fff;border-radius:8px;padding:20px;width:300px;box-shadow:0 4px 12px #00000026}.delete-confirm-content h3[data-v-079325cd]{margin-top:0;color:#ff4d4f}.delete-confirm-buttons[data-v-079325cd]{display:flex;justify-content:flex-end;margin-top:20px;gap:10px}.cancel-btn[data-v-079325cd]{padding:8px 16px;border:1px solid var(--light-gray);background-color:#fff;border-radius:4px;cursor:pointer}.confirm-btn[data-v-079325cd]{padding:8px 16px;border:none;background-color:#ff4d4f;color:#fff;border-radius:4px;cursor:pointer}@media (max-width: 768px){.chat-container-inner[data-v-079325cd]{flex-direction:column}.sidebar-wrapper[data-v-079325cd]{width:100%;margin-right:0;margin-bottom:15px;max-height:200px}.chat-header[data-v-079325cd]{padding:10px 0}.chat-title[data-v-079325cd]{font-size:1.2rem}.chat-id[data-v-079325cd]{display:none}.input-container[data-v-079325cd]{flex-direction:column}.send-button[data-v-079325cd]{height:45px}.delete-session-btn[data-v-079325cd]{visibility:visible;opacity:1}}.chat-container[data-v-4e29de5f]{display:flex;flex-direction:column;height:100vh;position:relative}.chat-header[data-v-4e29de5f]{background-color:var(--white);box-shadow:0 2px 4px #0000001a;padding:15px 0;position:sticky;top:0;z-index:10}.header-content[data-v-4e29de5f]{display:flex;align-items:center;justify-content:space-between}.back-button[data-v-4e29de5f]{display:flex;align-items:center;color:var(--secondary-color);text-decoration:none;font-weight:500}.back-icon[data-v-4e29de5f]{margin-right:5px;font-size:1.2rem}.chat-title[data-v-4e29de5f]{font-size:1.5rem;margin:0;color:var(--text-color)}.chat-id[data-v-4e29de5f]{font-size:.85rem;color:#666}.chat-main[data-v-4e29de5f]{flex:1;overflow:hidden;padding:20px 0;background-color:var(--background-color)}.chat-container-inner[data-v-4e29de5f]{display:flex;height:100%}.sidebar-wrapper[data-v-4e29de5f]{width:280px;min-width:280px;position:relative;transition:all .3s ease;margin-right:20px}.sidebar-collapsed[data-v-4e29de5f]{width:0!important;min-width:0!important;margin-right:0!important}.chat-sidebar[data-v-4e29de5f]{width:100%;height:100%;background-color:var(--white);border-right:1px solid var(--light-gray);border-radius:8px;padding:20px;display:flex;flex-direction:column;overflow-y:auto;position:relative;box-shadow:var(--shadow)}.sidebar-collapsed .chat-sidebar[data-v-4e29de5f]{opacity:0;pointer-events:none}.sidebar-collapse-btn[data-v-4e29de5f]{position:absolute;top:20px;right:-16px;width:32px;height:32px;background-color:var(--white);border:1px solid var(--light-gray);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 2px 8px #00000026;transition:all .3s ease;color:#666}.sidebar-collapse-btn[data-v-4e29de5f]:hover{background-color:#f0f5ff;color:var(--secondary-color);transform:translate(-2px);box-shadow:0 4px 12px #0003}.sidebar-collapse-btn[data-v-4e29de5f]:after{content:"收起侧边栏";position:absolute;top:50%;right:42px;transform:translateY(-50%);background-color:#000000b3;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;pointer-events:none}.sidebar-collapse-btn[data-v-4e29de5f]:hover:after{opacity:1;visibility:visible}.sidebar-collapsed .sidebar-collapse-btn[data-v-4e29de5f]{opacity:0;visibility:hidden}.arrow-icon[data-v-4e29de5f]{font-size:14px;line-height:1;font-weight:700}.sidebar-header[data-v-4e29de5f]{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid var(--light-gray)}.sidebar-title[data-v-4e29de5f]{margin:0;font-size:1.1rem;color:var(--text-color)}.new-chat-button[data-v-4e29de5f]{width:100%;padding:10px;border-radius:6px;background-color:#fff;color:var(--text-color);border:1px solid var(--light-gray);display:flex;align-items:center;justify-content:center;font-size:14px;margin:0 0 15px;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px #0000000d}.new-chat-button[data-v-4e29de5f]:hover{background-color:#00000008;border-color:#0000001a}.icon[data-v-4e29de5f]{margin-right:8px;font-size:16px}.session-list[data-v-4e29de5f]{flex:1;overflow-y:auto}.session-item[data-v-4e29de5f]{padding:10px;border-radius:6px;margin-bottom:8px;cursor:pointer;transition:background-color .2s;display:flex;justify-content:space-between;align-items:center}.session-item[data-v-4e29de5f]:hover{background-color:#f0f5ff}.session-item.active[data-v-4e29de5f]{background-color:#e8f0fe;border-left:3px solid var(--secondary-color)}.session-content[data-v-4e29de5f]{flex:1;overflow:hidden;display:flex;flex-direction:column}.session-name[data-v-4e29de5f]{font-weight:500;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-time[data-v-4e29de5f]{font-size:.8rem;color:#777}.delete-session-btn[data-v-4e29de5f]{width:24px;height:24px;border-radius:50%;background-color:transparent;color:#999;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;margin-left:8px;visibility:hidden;opacity:0}.session-item:hover .delete-session-btn[data-v-4e29de5f]{visibility:visible;opacity:1}.delete-session-btn[data-v-4e29de5f]:hover{background-color:#ff4d4f;color:#fff}.delete-icon[data-v-4e29de5f]{font-size:16px;font-weight:700}.no-sessions[data-v-4e29de5f]{color:#999;text-align:center;padding:20px 0}.chat-content[data-v-4e29de5f]{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--white);border-radius:8px;box-shadow:var(--shadow);transition:all .3s ease;position:relative}.content-expanded[data-v-4e29de5f]{max-width:100%}.chat-messages[data-v-4e29de5f]{flex:1;overflow-y:auto;padding:20px}.empty-chat[data-v-4e29de5f]{height:100%;display:flex;align-items:center;justify-content:center}.welcome-message[data-v-4e29de5f]{text-align:center;padding:30px;max-width:500px;background-color:var(--white);border-radius:12px;box-shadow:var(--shadow)}.welcome-avatar[data-v-4e29de5f]{width:80px;height:80px;margin-bottom:20px}.chat-input-area[data-v-4e29de5f]{padding:15px;border-top:1px solid var(--light-gray)}.input-container[data-v-4e29de5f]{display:flex;gap:10px}.message-input[data-v-4e29de5f]{flex:1;padding:12px 15px;border:1px solid var(--light-gray);border-radius:8px;resize:none;height:60px;font-family:Microsoft YaHei,sans-serif;font-size:1rem}.message-input[data-v-4e29de5f]:focus{outline:none;border-color:var(--secondary-color)}.send-button[data-v-4e29de5f]{background-color:var(--secondary-color);color:#fff;border:none;border-radius:8px;padding:0 20px;font-weight:500;cursor:pointer;transition:background-color .2s}.send-button[data-v-4e29de5f]:hover:not(:disabled){background-color:#2d9247}.send-button[data-v-4e29de5f]:disabled{background-color:#a7d7b8;cursor:not-allowed}.delete-confirm-modal[data-v-4e29de5f]{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.delete-confirm-content[data-v-4e29de5f]{background-color:#fff;border-radius:8px;padding:20px;width:300px;box-shadow:0 4px 12px #00000026}.delete-confirm-content h3[data-v-4e29de5f]{margin-top:0;color:#ff4d4f}.delete-confirm-buttons[data-v-4e29de5f]{display:flex;justify-content:flex-end;margin-top:20px;gap:10px}.cancel-btn[data-v-4e29de5f]{padding:8px 16px;border:1px solid var(--light-gray);background-color:#fff;border-radius:4px;cursor:pointer}.confirm-btn[data-v-4e29de5f]{padding:8px 16px;border:none;background-color:#ff4d4f;color:#fff;border-radius:4px;cursor:pointer}@media (max-width: 768px){.chat-container-inner[data-v-4e29de5f]{flex-direction:column}.sidebar-wrapper[data-v-4e29de5f]{width:100%;margin-right:0;margin-bottom:15px;max-height:200px}.chat-header[data-v-4e29de5f]{padding:10px 0}.chat-title[data-v-4e29de5f]{font-size:1.2rem}.chat-id[data-v-4e29de5f]{display:none}.input-container[data-v-4e29de5f]{flex-direction:column}.send-button[data-v-4e29de5f]{height:45px}.delete-session-btn[data-v-4e29de5f]{visibility:visible;opacity:1}}.sidebar-expand-btn[data-v-4e29de5f]{position:absolute;top:20px;left:-16px;width:32px;height:32px;background-color:var(--white);border:1px solid var(--light-gray);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 2px 8px #00000026;transition:all .3s ease;color:#666}.sidebar-expand-btn[data-v-4e29de5f]:hover{background-color:#f0f5ff;color:var(--secondary-color);transform:translate(2px);box-shadow:0 4px 12px #0003}.tooltip[data-v-4e29de5f]{position:absolute;left:42px;background-color:#000000b3;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;pointer-events:none}.sidebar-expand-btn:hover .tooltip[data-v-4e29de5f]{opacity:1;visibility:visible}.sidebar-collapse-btn svg[data-v-4e29de5f],.sidebar-expand-btn svg[data-v-4e29de5f]{stroke:#666;transition:stroke .2s ease}.sidebar-collapse-btn:hover svg[data-v-4e29de5f],.sidebar-expand-btn:hover svg[data-v-4e29de5f]{stroke:var(--secondary-color)}:root{--primary-color: #4285f4;--secondary-color: #34a853;--tertiary-color: #fbbc05;--quaternary-color: #ea4335;--background-color: #f8f9fa;--text-color: #202124;--light-gray: #dadce0;--white: #ffffff;--shadow: 0 2px 10px rgba(0, 0, 0, .1);--code-bg: #f5f5f5}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Microsoft YaHei,sans-serif;color:var(--text-color);background-color:var(--background-color);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:10px 20px;border:none;border-radius:4px;background-color:var(--primary-color);color:var(--white);font-size:16px;cursor:pointer;transition:background-color .3s}.btn:hover{background-color:#3367d6}.btn-secondary{background-color:var(--secondary-color)}.btn-secondary:hover{background-color:#2d9247}.card{background-color:var(--white);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;transition:transform .3s,box-shadow .3s}.card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #00000026}.new-chat-button{display:flex;align-items:center;justify-content:center;width:100%;padding:12px 16px;margin:16px 0;background-color:var(--white);border:1px solid var(--light-gray);border-radius:8px;color:var(--text-color);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px #0000000d}.new-chat-button:hover{background-color:#00000008;border-color:#0000001a}.new-chat-button .icon{margin-right:8px;font-size:16px}pre{background-color:var(--code-bg);padding:12px;border-radius:6px;overflow-x:auto;margin:1em 0}code{font-family:Consolas,Monaco,Andale Mono,monospace;background-color:var(--code-bg);padding:2px 4px;border-radius:3px;font-size:.9em}pre code{padding:0;background-color:transparent;border-radius:0}table{border-collapse:collapse;width:100%;margin:1em 0}th,td{border:1px solid var(--light-gray);padding:8px 12px;text-align:left}th{background-color:var(--code-bg);font-weight:700}blockquote{border-left:4px solid var(--light-gray);padding:.5em 1em;margin:1em 0;background-color:#00000008}.sidebar-collapse-btn{position:absolute;top:20px;right:-12px;width:24px;height:24px;background-color:var(--white);border:1px solid var(--light-gray);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 2px 4px #0000001a;transition:all .2s ease}.sidebar-collapse-btn:hover{background-color:#00000008}.sidebar-collapse-btn .arrow-icon{font-size:12px;transition:transform .3s ease}.sidebar-collapsed .sidebar-collapse-btn .arrow-icon{transform:rotate(180deg)}.chat-sidebar{position:relative;transition:width .3s ease,min-width .3s ease}.sidebar-collapsed{width:0!important;min-width:0!important;overflow:hidden;border-right:none!important}@media (max-width: 768px){.hide-mobile{display:none}}@media (min-width: 769px){.hide-desktop{display:none}}