174 lines
4.7 KiB
HTML
174 lines
4.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="template:media-width" content="1024">
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<meta name="template:media-height" content="1024">
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<style>
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html {
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margin: 0;
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padding: 0;
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}
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body {
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margin: 0;
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padding: 0;
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width: 1080px;
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height: 1920px;
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font-family: 'PingFang SC', 'Source Han Sans', 'Microsoft YaHei', sans-serif;
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overflow: hidden;
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}
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.page-container {
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width: 1080px;
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height: 1920px;
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position: relative;
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overflow: hidden;
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}
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/* 1. Background Media Layer (背景媒体层)
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- For image assets: displays the image
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- For video assets: hidden (video is composited in later step)
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*/
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.background-layer {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 0;
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}
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.background-layer img {
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width: 100%;
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height: 100%;
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object-fit: contain;
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display: block;
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}
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/* Hide background layer when no image (video mode) */
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.background-layer:empty {
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display: none;
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}
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/* 2. Gradient Overlay (渐变遮罩)
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Ensures text readability regardless of background brightness
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Top: Darker for Title
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Middle: Transparent for Media visibility
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Bottom: Darker for Subtitles
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*/
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.gradient-overlay {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 1;
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background: linear-gradient(to bottom,
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rgba(0, 0, 0, 0.6) 0%,
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rgba(0, 0, 0, 0.1) 25%,
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rgba(0, 0, 0, 0.1) 60%,
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rgba(0, 0, 0, 0.8) 100%);
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}
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/* 3. Content Layer (内容层) */
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.content-layer {
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position: relative;
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z-index: 2;
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width: 100%;
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height: 100%;
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padding: 120px 80px 0px 80px;
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/* Top, Right, Bottom, Left */
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box-sizing: border-box;
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display: flex;
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flex-direction: column;
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justify-content: flex-start;
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color: #ffffff;
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}
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/* Title Styling */
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.video-title {
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font-size: 80px;
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font-weight: 700;
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line-height: 1.2;
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text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
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margin-bottom: 40px;
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text-align: center;
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}
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/* Hide title when empty */
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.video-title:empty {
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display: none;
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}
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/* Flex spacer to push subtitle to bottom */
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.spacer {
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flex-grow: 1;
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}
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/* Narration/Subtitle Styling */
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.subtitle-wrapper {
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margin-bottom: 60px;
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}
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.text {
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font-size: 52px;
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font-weight: 500;
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line-height: 1.6;
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text-align: center;
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text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
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backdrop-filter: blur(4px);
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}
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</style>
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</head>
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<body>
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<div class="page-container">
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<!-- Background Media Layer
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- For image assets: contains <img> tag
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- For video assets: empty (hidden by CSS)
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-->
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<div class="background-layer" id="bg-layer">
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<!-- Image will be inserted here for image assets only -->
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</div>
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<!-- Shadow Overlay for Text Readability -->
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<div class="gradient-overlay"></div>
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<!-- Main Content -->
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<div class="content-layer">
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<!-- Top Section: Title -->
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<div class="video-title">
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{{title}}
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</div>
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<!-- Spacer pushes content apart -->
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<div class="spacer"></div>
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<!-- Bottom Section: Narration/Text -->
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<div class="subtitle-wrapper">
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<div class="text">{{text}}</div>
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</div>
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</div>
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</div>
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<script>
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// Conditionally add image if provided
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(function () {
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var imageUrl = "{{image}}";
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var bgLayer = document.getElementById('bg-layer');
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// Only add img tag if image URL is provided and not empty
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if (imageUrl && imageUrl.trim() !== "" && imageUrl !== "None") {
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var img = document.createElement('img');
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img.src = imageUrl;
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img.alt = "Background";
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bgLayer.appendChild(img);
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}
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// Otherwise, bg-layer stays empty and gets hidden by CSS
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})();
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</script>
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</body>
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</html> |