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test-repo/docs/.vitepress/theme/components/appendix/vlm-intro/ModelArchitectureComparisonDemo.vue
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2026-01-15 20:10:19 +08:00
<template>
<div class="model-evolution-demo">
<div class="controls-header">
<div class="toggle-container" @click="toggleMode">
<div class="toggle-track" :class="{ active: isVLM }">
<div class="toggle-thumb">
{{ isVLM ? '👁️' : '🧠' }}
</div>
</div>
<div class="toggle-label">
<span :class="{ active: !isVLM }">Pure LLM</span>
<span class="arrow"></span>
<span :class="{ active: isVLM }">Multimodal VLM</span>
</div>
</div>
<div class="status-desc">
{{ isVLM
? '给大脑装上眼睛:视觉信号经过翻译,变成 Token 混入文字流。'
: '纯文本大脑:只能听懂 Token 语言,无法感知图像。'
}}
</div>
</div>
<div class="diagram-stage" :class="{ 'vlm-mode': isVLM }">
<!-- Vision Pipeline (Only visible in VLM mode) -->
<div class="pipeline vision-pipeline">
<div class="node-group">
<div class="node input-node image-node">
<span class="icon"></span>
<span class="label">Image</span>
</div>
<div class="flow-arrow"></div>
<div class="node process-node vit-node" title="Vision Transformer: The Eye">
<span class="icon"></span>
<span class="label">ViT</span>
</div>
<div class="flow-arrow"></div>
<div class="node adapter-node projector-node" title="Projector: The Translator">
<span class="icon">🔌</span>
<span class="label">Projector</span>
</div>
<div class="flow-arrow connector-arrow"></div>
</div>
</div>
<!-- Text Pipeline (Always visible) -->
<div class="pipeline text-pipeline">
<div class="node-group horizontal">
<div class="node input-node text-node">
<span class="icon"></span>
<span class="label">Prompt</span>
</div>
<div class="flow-arrow"></div>
<div class="node process-node embed-node">
<span class="icon"></span>
<span class="label">Embed</span>
</div>
<!-- Merge Point Visualization -->
<div class="merge-point" :class="{ active: isVLM }">
<div class="plus-icon">+</div>
<div class="merge-label">Concat</div>
</div>
<div class="flow-arrow"></div>
<div class="node core-node llm-node">
<span class="icon">🧠</span>
<span class="label">LLM Backbone</span>
<div class="inner-flow">
<span class="dot t1"></span>
<span class="dot t2"></span>
<span class="dot v1" v-if="isVLM"></span>
</div>
</div>
<div class="flow-arrow"></div>
<div class="node output-node">
<span class="icon">💬</span>
<span class="label">Response</span>
</div>
</div>
</div>
</div>
<div class="interactive-info">
<div class="info-card" v-if="!isVLM">
<h3>Standard LLM Flow</h3>
<p>Text is converted into vectors (Embeddings) and processed by the Transformer to predict the next word.</p>
</div>
<div class="info-card vlm-info" v-else>
<h3>VLM = LLM + Vision Encoder</h3>
<ul>
<li><strong>ViT (The Eye):</strong> Slices image into patches and extracts features.</li>
<li><strong>Projector (The Translator):</strong> Converts visual features into the same "language" (vector dimension) as text embeddings.</li>
<li><strong>Concatenation:</strong> The translated visual tokens are pasted <em>before</em> the text tokens. The LLM sees them as "foreign words" it learned to understand.</li>
</ul>
</div>
</div>
</div>
</template>
<script setup>
import { ref } from 'vue'
const isVLM = ref(false)
const toggleMode = () => {
isVLM.value = !isVLM.value
}
</script>
<style scoped>
.model-evolution-demo {
background: var(--vp-c-bg-soft);
border: 1px solid var(--vp-c-divider);
border-radius: 12px;
padding: 24px;
margin: 20px 0;
font-family: 'Menlo', 'Monaco', sans-serif;
user-select: none;
}
/* Controls */
.controls-header {
display: flex;
flex-direction: column;
align-items: center;
margin-bottom: 30px;
gap: 12px;
}
.toggle-container {
display: flex;
align-items: center;
gap: 15px;
cursor: pointer;
background: var(--vp-c-bg-mute);
padding: 8px 16px;
border-radius: 30px;
border: 1px solid transparent;
transition: all 0.2s;
}
.toggle-container:hover {
border-color: var(--vp-c-brand);
background: var(--vp-c-bg);
}
.toggle-track {
width: 50px;
height: 28px;
background: #ccc;
border-radius: 14px;
position: relative;
transition: background 0.3s;
}
.toggle-track.active {
background: var(--vp-c-brand);
}
.toggle-thumb {
width: 24px;
height: 24px;
background: #fff;
border-radius: 50%;
position: absolute;
top: 2px;
left: 2px;
display: flex;
align-items: center;
justify-content: center;
font-size: 14px;
transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.toggle-track.active .toggle-thumb {
transform: translateX(22px);
}
.toggle-label {
font-size: 14px;
font-weight: bold;
color: var(--vp-c-text-2);
display: flex;
gap: 8px;
align-items: center;
}
.toggle-label span.active {
color: var(--vp-c-text-1);
}
.status-desc {
font-size: 13px;
color: var(--vp-c-text-2);
text-align: center;
height: 20px;
}
/* Diagram Stage */
.diagram-stage {
position: relative;
height: 240px;
background: var(--vp-c-bg);
border: 1px dashed var(--vp-c-divider);
border-radius: 8px;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
}
/* Pipelines */
.pipeline {
transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.text-pipeline {
position: absolute;
bottom: 80px; /* Centered vertically in LLM mode */
left: 50%;
transform: translateX(-50%);
width: 100%;
display: flex;
justify-content: center;
}
.vlm-mode .text-pipeline {
bottom: 40px; /* Move down in VLM mode */
}
.vision-pipeline {
position: absolute;
top: 20px;
left: 20%; /* Align with input side */
opacity: 0;
transform: translateY(-20px);
pointer-events: none;
}
.vlm-mode .vision-pipeline {
opacity: 1;
transform: translateY(0);
pointer-events: auto;
}
.node-group {
display: flex;
align-items: center;
gap: 6px;
}
.node-group.horizontal {
flex-direction: row;
}
.vision-pipeline .node-group {
flex-direction: column;
}
/* Nodes */
.node {
background: var(--vp-c-bg);
border: 2px solid var(--vp-c-divider);
border-radius: 8px;
padding: 8px 12px;
display: flex;
flex-direction: column;
align-items: center;
min-width: 70px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
position: relative;
z-index: 2;
}
.icon { font-size: 20px; margin-bottom: 4px; }
.label { font-size: 11px; font-weight: bold; }
.input-node { border-color: #aaa; }
.process-node { border-color: var(--vp-c-brand-dimm); }
.core-node {
border-color: var(--vp-c-brand);
background: var(--vp-c-brand-dimm);
min-width: 100px;
}
.output-node { border-color: var(--vp-c-brand); }
.vit-node {
border-color: var(--vp-c-yellow);
background: rgba(255, 197, 23, 0.05);
}
.projector-node {
border-color: var(--vp-c-yellow);
background: var(--vp-c-yellow-dimm);
}
/* Arrows */
.flow-arrow {
color: var(--vp-c-text-3);
font-size: 16px;
}
.connector-arrow {
font-size: 24px;
color: var(--vp-c-yellow);
margin-top: -10px;
margin-bottom: -10px;
transform: rotate(-45deg) translateX(10px);
}
/* Merge Point */
.merge-point {
width: 0;
overflow: hidden;
transition: all 0.5s;
display: flex;
flex-direction: column;
align-items: center;
opacity: 0;
}
.merge-point.active {
width: 40px;
opacity: 1;
}
.plus-icon {
font-weight: bold;
color: var(--vp-c-text-2);
font-size: 18px;
}
.merge-label {
font-size: 9px;
color: var(--vp-c-text-3);
}
/* Inner Flow Animation inside LLM */
.inner-flow {
display: flex;
gap: 4px;
margin-top: 4px;
height: 6px;
}
.dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: #fff;
opacity: 0.6;
animation: pulse 1s infinite alternate;
}
.t1 { animation-delay: 0s; }
.t2 { animation-delay: 0.2s; }
.v1 { background: var(--vp-c-yellow); animation-delay: 0.4s; }
@keyframes pulse {
from { opacity: 0.3; transform: scale(0.8); }
to { opacity: 1; transform: scale(1.1); }
}
/* Interactive Info */
.interactive-info {
margin-top: 20px;
}
.info-card {
background: var(--vp-c-bg-mute);
padding: 16px;
border-radius: 8px;
animation: fadeIn 0.3s;
}
.info-card h3 {
margin-top: 0;
margin-bottom: 10px;
font-size: 15px;
color: var(--vp-c-text-1);
}
.info-card p, .info-card li {
font-size: 13px;
color: var(--vp-c-text-2);
line-height: 1.6;
}
.info-card ul {
padding-left: 20px;
margin: 0;
}
@keyframes fadeIn {
from { opacity: 0; transform: translateY(5px); }
to { opacity: 1; transform: translateY(0); }
}
/* Mobile Adjustments */
@media (max-width: 600px) {
.diagram-stage {
height: 300px;
}
.text-pipeline {
flex-wrap: wrap;
gap: 10px;
width: 90%;
}
.vision-pipeline {
left: 10%;
}
}
</style>