| 1 | <!DOCTYPE html> |
| 2 | <html> |
| 3 | <head> |
| 4 | <meta charset="UTF-8"> |
| 5 | <meta name="template:media-width" content="512"> |
| 6 | <meta name="template:media-height" content="288"> |
| 7 | <style> |
| 8 | html { |
| 9 | margin: 0; |
| 10 | padding: 0; |
| 11 | height: 100%; |
| 12 | } |
| 13 | |
| 14 | body { |
| 15 | margin: 0; |
| 16 | padding: 0; |
| 17 | width: 100%; |
| 18 | height: 100vh; |
| 19 | font-family: 'PingFang SC', 'Source Han Sans', 'Microsoft YaHei', sans-serif; |
| 20 | overflow: hidden; |
| 21 | /* background-color: #000; */ |
| 22 | display: flex; |
| 23 | justify-content: center; |
| 24 | align-items: center; |
| 25 | } |
| 26 | |
| 27 | /* 主容器 - 居中并包含所有内容 */ |
| 28 | .main-container { |
| 29 | position: relative; |
| 30 | width: 1080px; |
| 31 | height: 1920px; |
| 32 | } |
| 33 | |
| 34 | /* Background image layer (customizable using <img> tag) */ |
| 35 | .background-image { |
| 36 | position: absolute; |
| 37 | top: 0; |
| 38 | left: 0; |
| 39 | width: 100%; |
| 40 | height: 100%; |
| 41 | z-index: 0; |
| 42 | } |
| 43 | |
| 44 | /* Video overlay - 相对于main-container居中 */ |
| 45 | .video-overlay { |
| 46 | position: absolute; |
| 47 | top: 50%; |
| 48 | left: 50%; |
| 49 | transform: translate(-50%, -50%); |
| 50 | width: 1080px; |
| 51 | height: 607px; |
| 52 | /* background: #f00; */ |
| 53 | z-index: 1; |
| 54 | } |
| 55 | |
| 56 | /* Title section - positioned above video */ |
| 57 | .video-title-wrapper { |
| 58 | position: absolute; |
| 59 | top: calc(50% - 607px / 2 - 130px); |
| 60 | left: 50%; |
| 61 | transform: translateX(-50%); |
| 62 | z-index: 2; |
| 63 | } |
| 64 | |
| 65 | .video-title { |
| 66 | width: 900px; |
| 67 | text-align: center; |
| 68 | /* 初始字体大小，JavaScript 会根据文本长度自动调整 */ |
| 69 | font-size: 72px; |
| 70 | font-weight: 700; |
| 71 | color: #ffffff; |
| 72 | line-height: 1.3; |
| 73 | letter-spacing: 3px; |
| 74 | text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); |
| 75 | margin-bottom: 20px; |
| 76 | /* 确保文本不会溢出 */ |
| 77 | word-wrap: break-word; |
| 78 | overflow-wrap: break-word; |
| 79 | white-space: nowrap; |
| 80 | } |
| 81 | |
| 82 | /* 字幕区域 - 对齐视频底部 */ |
| 83 | .content { |
| 84 | position: absolute; |
| 85 | bottom: calc(50% - 607px / 2 + 0px); |
| 86 | left: 50%; |
| 87 | transform: translateX(-50%); |
| 88 | width: 900px; |
| 89 | z-index: 4; |
| 90 | } |
| 91 | |
| 92 | .text { |
| 93 | font-size: 40px; |
| 94 | color: #ffffff; |
| 95 | text-align: center; |
| 96 | line-height: 1.6; |
| 97 | font-weight: 500; |
| 98 | text-shadow: |
| 99 | 2px 2px 4px rgba(0, 0, 0, 0.9), |
| 100 | 0 0 8px rgba(0, 0, 0, 0.8), |
| 101 | 0 0 16px rgba(0, 0, 0, 0.6); |
| 102 | padding: 10px 0px; |
| 103 | /* background-color: aqua; */ |
| 104 | } |
| 105 | |
| 106 | /* Footer - positioned below video */ |
| 107 | .footer { |
| 108 | position: absolute; |
| 109 | top: calc(50% + 607px / 2 + 50px); |
| 110 | left: 50%; |
| 111 | transform: translateX(-50%); |
| 112 | width: 900px; |
| 113 | display: flex; |
| 114 | align-items: center; |
| 115 | justify-content: space-between; |
| 116 | padding-top: 40px; |
| 117 | border-top: 2px solid rgba(255, 255, 255, 0.3); |
| 118 | z-index: 2; |
| 119 | } |
| 120 | |
| 121 | .author-section { |
| 122 | display: flex; |
| 123 | flex-direction: column; |
| 124 | gap: 8px; |
| 125 | } |
| 126 | |
| 127 | .author { |
| 128 | font-size: 32px; |
| 129 | font-weight: 600; |
| 130 | color: #ffffff; |
| 131 | text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); |
| 132 | } |
| 133 | |
| 134 | .author-desc { |
| 135 | font-size: 24px; |
| 136 | color: rgba(255, 255, 255, 0.9); |
| 137 | font-weight: 400; |
| 138 | } |
| 139 | |
| 140 | .logo-section { |
| 141 | display: flex; |
| 142 | flex-direction: column; |
| 143 | align-items: flex-end; |
| 144 | gap: 10px; |
| 145 | } |
| 146 | |
| 147 | .logo { |
| 148 | font-size: 28px; |
| 149 | font-weight: 600; |
| 150 | color: #ffffff; |
| 151 | letter-spacing: 2px; |
| 152 | text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); |
| 153 | } |
| 154 | </style> |
| 155 | </head> |
| 156 | <body> |
| 157 | <!-- 主容器 - 所有元素都在这里面，相对于video-overlay定位 --> |
| 158 | <div class="main-container"> |
| 159 | <!-- Background image layer (customizable via background parameter) --> |
| 160 | <div class="background-image"> |
| 161 | |
| 162 | </div> |
| 163 | |
| 164 | <!-- Video overlay - 居中参考点 --> |
| 165 | <div class="video-overlay"></div> |
| 166 | |
| 167 | <!-- Video title - positioned above video --> |
| 168 | <div class="video-title-wrapper"> |
| 169 | <div class="video-title">{{title}}</div> |
| 170 | </div> |
| 171 | |
| 172 | <!-- 字幕区域 - 独立定位在视频底部 --> |
| 173 | <div class="content"> |
| 174 | <div class="text">{{text}}</div> |
| 175 | </div> |
| 176 | |
| 177 | <!-- Footer - positioned below video --> |
| 178 | <div class="footer"> |
| 179 | <div class="author-section"> |
| 180 | <div class="author">{{author=@Pixelle.AI}}</div> |
| 181 | <div class="author-desc">{{describe=Open Source Omnimodal AI Creative Agent}}</div> |
| 182 | </div> |
| 183 | <div class="logo-section"> |
| 184 | <div class="logo">{{brand=Pixelle-Video}}</div> |
| 185 | </div> |
| 186 | </div> |
| 187 | </div> |
| 188 | |
| 189 | <script> |
| 190 | /** |
| 191 | * 根据文本宽度自动调整字体大小 |
| 192 | * @param {HTMLElement} element - 要调整的元素 |
| 193 | * @param {number} maxWidth - 最大宽度（px） |
| 194 | * @param {number} minFontSize - 最小字体大小（px） |
| 195 | * @param {number} maxFontSize - 最大字体大小（px） |
| 196 | */ |
| 197 | function autoFitFontSize(element, maxWidth, minFontSize, maxFontSize) { |
| 198 | try { |
| 199 | if (!element || !element.textContent || !element.textContent.trim()) { |
| 200 | return; |
| 201 | } |
| 202 | |
| 203 | if (!document.body) { |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | // 创建一个临时的测量元素 |
| 208 | const measure = document.createElement('span'); |
| 209 | measure.style.visibility = 'hidden'; |
| 210 | measure.style.position = 'absolute'; |
| 211 | measure.style.top = '-9999px'; |
| 212 | measure.style.left = '-9999px'; |
| 213 | measure.style.whiteSpace = 'nowrap'; |
| 214 | |
| 215 | // 复制元素的样式 |
| 216 | const computedStyle = window.getComputedStyle(element); |
| 217 | measure.style.fontFamily = computedStyle.fontFamily; |
| 218 | measure.style.fontSize = computedStyle.fontSize; |
| 219 | measure.style.fontWeight = computedStyle.fontWeight; |
| 220 | measure.style.letterSpacing = computedStyle.letterSpacing; |
| 221 | measure.textContent = element.textContent; |
| 222 | |
| 223 | document.body.appendChild(measure); |
| 224 | |
| 225 | // 二分查找合适的字体大小 |
| 226 | let low = minFontSize; |
| 227 | let high = maxFontSize; |
| 228 | let bestSize = maxFontSize; |
| 229 | |
| 230 | // 先检查最大字体是否合适 |
| 231 | measure.style.fontSize = maxFontSize + 'px'; |
| 232 | if (measure.offsetWidth <= maxWidth) { |
| 233 | bestSize = maxFontSize; |
| 234 | } else { |
| 235 | // 使用二分查找 |
| 236 | while (high - low > 0.5) { |
| 237 | const mid = (low + high) / 2; |
| 238 | measure.style.fontSize = mid + 'px'; |
| 239 | |
| 240 | if (measure.offsetWidth <= maxWidth) { |
| 241 | bestSize = mid; |
| 242 | low = mid; |
| 243 | } else { |
| 244 | high = mid; |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | // 应用找到的字体大小 |
| 250 | element.style.fontSize = bestSize + 'px'; |
| 251 | |
| 252 | // 清理临时元素 |
| 253 | if (measure.parentNode) { |
| 254 | document.body.removeChild(measure); |
| 255 | } |
| 256 | } catch (error) { |
| 257 | console.error('自动调整字体大小出错:', error); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | // 页面加载完成后自动调整字体大小 |
| 262 | function initAutoFit() { |
| 263 | try { |
| 264 | const titleElement = document.querySelector('.video-title'); |
| 265 | if (titleElement) { |
| 266 | // 获取容器的实际宽度 |
| 267 | const wrapper = document.querySelector('.video-title-wrapper'); |
| 268 | const maxWidth = wrapper ? wrapper.offsetWidth : 900; |
| 269 | |
| 270 | // 自动调整字体大小：最小12px，最大72px |
| 271 | autoFitFontSize(titleElement, maxWidth, 12, 72); |
| 272 | } |
| 273 | } catch (error) { |
| 274 | console.error('初始化自动调整字体大小出错:', error); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | // 等待 DOM 加载完成 |
| 279 | if (document.readyState === 'loading') { |
| 280 | document.addEventListener('DOMContentLoaded', initAutoFit); |
| 281 | } else { |
| 282 | // DOM 已经加载完成 |
| 283 | initAutoFit(); |
| 284 | } |
| 285 | |
| 286 | // 如果内容是通过模板引擎动态插入的，可以监听内容变化 |
| 287 | // 使用 MutationObserver 监听文本变化 |
| 288 | if (typeof MutationObserver !== 'undefined') { |
| 289 | try { |
| 290 | const observer = new MutationObserver(function(mutations) { |
| 291 | let shouldUpdate = false; |
| 292 | mutations.forEach(function(mutation) { |
| 293 | if (mutation.type === 'childList' || mutation.type === 'characterData') { |
| 294 | shouldUpdate = true; |
| 295 | } |
| 296 | }); |
| 297 | |
| 298 | if (shouldUpdate) { |
| 299 | // 延迟执行，避免频繁调用 |
| 300 | setTimeout(initAutoFit, 100); |
| 301 | } |
| 302 | }); |
| 303 | |
| 304 | // 等待 body 元素存在后再观察 |
| 305 | if (document.body) { |
| 306 | observer.observe(document.body, { |
| 307 | childList: true, |
| 308 | subtree: true, |
| 309 | characterData: true |
| 310 | }); |
| 311 | } else { |
| 312 | document.addEventListener('DOMContentLoaded', function() { |
| 313 | if (document.body) { |
| 314 | observer.observe(document.body, { |
| 315 | childList: true, |
| 316 | subtree: true, |
| 317 | characterData: true |
| 318 | }); |
| 319 | } |
| 320 | }); |
| 321 | } |
| 322 | } catch (error) { |
| 323 | console.error('设置 MutationObserver 出错:', error); |
| 324 | } |
| 325 | } |
| 326 | </script> |
| 327 | </body> |
| 328 | </html> |