:root{--vt-c-white: #ffffff;--vt-c-white-soft: #f8f8f8;--vt-c-white-mute: #f2f2f2;--vt-c-black: #181818;--vt-c-black-soft: #222222;--vt-c-black-mute: #282828;--vt-c-indigo: #2c3e50;--vt-c-divider-light-1: rgba(60, 60, 60, .29);--vt-c-divider-light-2: rgba(60, 60, 60, .12);--vt-c-divider-dark-1: rgba(84, 84, 84, .65);--vt-c-divider-dark-2: rgba(84, 84, 84, .48);--vt-c-text-light-1: var(--vt-c-indigo);--vt-c-text-light-2: rgba(60, 60, 60, .66);--vt-c-text-dark-1: var(--vt-c-white);--vt-c-text-dark-2: rgba(235, 235, 235, .64)}:root{--color-background: var(--vt-c-white);--color-background-soft: var(--vt-c-white-soft);--color-background-mute: var(--vt-c-white-mute);--color-border: var(--vt-c-divider-light-2);--color-border-hover: var(--vt-c-divider-light-1);--color-heading: var(--vt-c-text-light-1);--color-text: var(--vt-c-text-light-1);--section-gap: 160px}@media (prefers-color-scheme: dark){:root{--color-background: var(--vt-c-black);--color-background-soft: var(--vt-c-black-soft);--color-background-mute: var(--vt-c-black-mute);--color-border: var(--vt-c-divider-dark-2);--color-border-hover: var(--vt-c-divider-dark-1);--color-heading: var(--vt-c-text-dark-1);--color-text: var(--vt-c-text-dark-2)}}*,*:before,*:after{box-sizing:border-box;margin:0;font-weight:400}body{min-height:100vh;color:var(--color-text);background:var(--color-background);transition:color .5s,background-color .5s;line-height:1.6;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:15px;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a,.green{text-decoration:none;color:#00bd7e;transition:.4s;padding:3px}@media (hover: hover){a:hover{background-color:#00bd7e33}}.app-container[data-v-a5e4e139]{display:flex;flex-direction:column;height:100vh;background:#fff}.header[data-v-a5e4e139]{display:flex;align-items:center;padding:8px;border-bottom:1px solid #eee;background:#f8f9fa}.about[data-v-a5e4e139]{float:right;font-size:.8em;margin-right:10px}.logo[data-v-a5e4e139]{height:30px;margin-right:10px}.notice-container[data-v-a5e4e139]{display:flex;align-items:center;flex-wrap:wrap}.notice[data-v-a5e4e139]{color:#00f;font-size:.8em;margin-right:10px}.main-layout[data-v-a5e4e139]{flex:1;display:flex}.content-area[data-v-a5e4e139]{flex:1;background:#f5f7fa;overflow:auto}.about-modal[data-v-a5e4e139]{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content[data-v-a5e4e139]{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 10px #0000001a;position:relative;width:80%;max-width:600px}.close-btn[data-v-a5e4e139]{position:absolute;top:10px;right:10px;cursor:pointer;font-size:1.5em;color:#888}.chat-container{width:100%;height:100vh;display:flex;flex-direction:column;padding:0 20px;box-sizing:border-box}.bg-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80%}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:15px}.message{display:flex}.message-bubble{max-width:80%;padding:12px 18px;border-radius:18px;background:#fff;box-shadow:0 2px 4px #0000000d;line-height:1.6}.message:not(.bot-message) .message-bubble{background:#e3f2fd;margin-left:auto}.input-area{padding:16px;background:#fff;border-top:1px solid #eee;display:flex;gap:12px;position:sticky;bottom:0;z-index:1}.input-wrapper{flex:1;position:relative;display:flex;align-items:center;border:1px solid #ddd;border-radius:8px;padding:6px}textarea{flex:1;padding:6px 12px;border:none;outline:none;min-height:48px;max-height:120px;margin-right:44px}button{background:#67c23a;padding:12px 24px;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:opacity .3s}button:disabled{opacity:.7;cursor:not-allowed}.loading-indicator{padding:8px 0}.dot-flashing{position:relative;width:6px;height:6px;border-radius:5px;background-color:#999;color:#999;animation:dotFlashing 1s infinite linear alternate;animation-delay:.5s}.dot-flashing:before,.dot-flashing:after{content:"";display:inline-block;position:absolute;top:0}.dot-flashing:before{left:-12px;width:6px;height:6px;border-radius:5px;background-color:#999;color:#999;animation:dotFlashing 1s infinite alternate;animation-delay:0s}.dot-flashing:after{left:12px;width:6px;height:6px;border-radius:5px;background-color:#999;color:#999;animation:dotFlashing 1s infinite alternate;animation-delay:1s}@keyframes dotFlashing{0%{background-color:#999}50%,to{background-color:#e0e0e0}}.thinking-chain{margin-top:12px;padding:12px;background:#f8f9fa;border-radius:8px;border:1px solid #eee}.chain-title{font-weight:500;color:#666;margin-bottom:8px;font-size:.9em}.chain-text{font-size:.9em;color:#444;line-height:1.6}.knowledge-refs{margin:15px 0;border-top:1px solid #eee;padding-top:12px}.ref-title{font-size:.9em;color:#666;margin-bottom:8px}.doc-item{display:block;padding:8px 12px;margin:6px 0;border:1px solid #e0e0e0;border-radius:6px;cursor:pointer;transition:all .2s}.doc-item-header{display:flex;align-items:center;gap:8px;width:100%}.arrow-icon{flex-shrink:0;transition:transform .2s;font-size:14px}.doc-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.doc-score{flex-shrink:0;margin-left:auto;color:#67c23a;font-weight:500}.knowledge-item-expanded{margin-top:8px;background-color:#f8f9fa;padding:12px;border-left:4px solid #e0e0e0}.expanded-content{border-radius:4px}.title{color:#37444e;font-size:1.1em;margin-bottom:8px}@media (max-width: 600px){.chat-container{padding:0 10px}.message-bubble{max-width:75%}.input-area{padding:12px}textarea{margin-right:36px}.knowledge-refs .doc-item{padding:6px 8px;margin:4px 0}.doc-meta,.doc-score{font-size:.8em}.knowledge-item-expanded{padding:8px;margin:4px 0}}.container[data-v-bb10a7ce]{max-width:450px;height:100%;margin:auto;padding:20px;text-align:center;background:url(/assets/bg-Behf1uXZ.jpg) center center no-repeat;background-size:100% 100%}.title[data-v-bb10a7ce]{font-size:24px;color:#333;margin-bottom:30px;letter-spacing:2px}.login-part[data-v-bb10a7ce]{position:absolute;//width: 85%;top:50%;left:50%;transform:translate(-50%,-50%)}.login-form[data-v-bb10a7ce]{margin-top:20px;display:flex;flex-direction:column;align-items:center}.form-group[data-v-bb10a7ce]{width:100%;margin-bottom:15px}.input-field[data-v-bb10a7ce]{width:100%;padding:10px;font-size:16px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box}.captcha-image[data-v-bb10a7ce]{cursor:pointer;margin-top:10px;width:100px;height:40px}.agreement[data-v-bb10a7ce]{margin-top:20px;display:flex;justify-content:center}.agree-label[data-v-bb10a7ce]{display:flex;align-items:center;cursor:pointer}.agree-checkbox[data-v-bb10a7ce]{width:16px;height:16px;margin-right:8px}.agree-text[data-v-bb10a7ce]{font-size:14px;//color: #666}.agree-text[data-v-bb10a7ce]:hover{color:#1890ff}.login-button[data-v-bb10a7ce]{width:100%;padding:12px;font-size:16px;background-color:#1890ff;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s}.login-button[data-v-bb10a7ce]:hover{background-color:#40a9ff}