15 秒建築縮時：藍色球場俯視藍圖轉為線框結構，再變成有吊車的完工球場

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15 秒電影感建造延時影片。影片一開始呈現參考圖片中的精確體育場藍圖：深藍色繪圖網格上的俯視建築藍圖、白色技術線條、標示清楚的入口、座位區、隧道、VIP 區域與球場標線。整段影片中，攝影機始終置於體育場正上方中央。

00:00–00:02
藍圖柔和發光。技術線條逐漸變亮。施工指引、尺寸標記與繪圖細節沿著平面圖動態展開。藍圖開始轉變為三維線框結構。

00:02–00:04
體育場牆面沿著藍圖線條垂直升起。結構梁、支撐柱、環形走道、隧道與看台依照藍圖精確地逐一成形。建築結構平順地延展，不要出現破壞效果。

00:04–00:06
線框逐漸演變成逼真的未完工體育場。混凝土地基成形。鋼骨結構沿著外圍延伸。座位區逐層出現。起重機與施工活動以延時攝影的速度快速移動。

00:06–00:08
體育場快速成形。上層看台、VIP 區域、隧道、樓梯、屋頂支架、入口與外部立面陸續組裝完成。所有幾何結構都與原始藍圖配置完全一致。

00:08–00:10
看台上出現數千個座位。球場表面成形。草皮以加速延時攝影的方式在球場上生長。外部道路、廣場與景觀開始成形。

00:10–00:12
建築工程接近完工。屋頂結構固定就位。照明系統出現。樹木與周邊步道逐漸成形。藍圖風格完全消失。

00:12–00:14
體育場呈現完整的照片級寫實效果，並與最終參考圖片完全一致。看台坐滿觀眾。球場完美無瑕。建築、入口、隧道、座位配置與比例都忠實呈現藍圖。

00:14–00:15
最終主視覺鏡頭。完工的體育場在充足日光下呈現，視角與參考圖片相同，從正上方俯瞰。攝影機緩慢推近。可見觀眾席的氛圍。完工的體育場充滿整個畫面。

要求：
- 從藍圖到現實完美轉變
- 全程保持建築結構完全一致
- 不得更改體育場配置
- 攝影機保持在正上方中央
- 平順、連續的延時攝影
- 真實的施工進度
- 最終體育場呈現照片級寫實效果
- 不得剪接，不得切換場景
- 電影感的光線變化
- 高細節施工動畫
- 結尾畫面與最終體育場參考圖片一致

音訊：
僅有施工環境音。
遠處的機械聲。
金屬組裝聲。
接近完工時逐漸淡入觀眾環境音。
不要音樂。

15-second cinematic construction timelapse. The video begins with the exact stadium blueprint shown in the reference image: top-down architectural blueprint on a dark blue drafting grid, white technical linework, labeled gates, seating sections, tunnels, VIP areas, and field markings. Camera remains centered above the stadium throughout the entire sequence.

00:00–00:02
The blueprint glows softly. Technical lines brighten. Construction guides, measurement marks, and drafting details animate across the plan. The blueprint begins transforming into a three-dimensional wireframe structure.

00:02–00:04
The stadium walls rise vertically from the blueprint lines. Structural beams, support columns, concourses, tunnels, and seating bowls emerge precisely according to the blueprint. Smooth architectural growth, no destruction effects.

00:04–00:06
The wireframe evolves into a realistic unfinished stadium. Concrete foundations form. Steel frameworks expand around the perimeter. Seating sections appear layer by layer. Cranes and construction activity move rapidly in timelapse.

00:06–00:08
The stadium rapidly develops. Upper decks, VIP sections, tunnels, stairways, roof supports, entrances, and exterior facades assemble. All geometry remains perfectly consistent with the original blueprint layout.

00:08–00:10
Thousands of seats populate the stands. The pitch surface appears. Grass grows across the field in accelerated timelapse. Exterior roads, plazas, and landscaping begin taking shape.

00:10–00:12
Construction reaches completion. Roof structures lock into place. Lighting systems appear. Trees and surrounding walkways develop. The blueprint aesthetic completely disappears.

00:12–00:14
The stadium becomes fully photorealistic and matches the final reference image exactly. Crowd fills the seats. The field is pristine. The architecture, gates, tunnels, seating layout, and proportions remain perfectly faithful to the blueprint.

00:14–00:15
Final hero shot. The completed stadium stands in full daylight from the same overhead angle as the reference image. The camera slowly pushes in. Crowd atmosphere visible. The finished stadium fills the frame.

Requirements:
- Perfect blueprint-to-reality transformation
- Exact architectural consistency throughout
- No changes to stadium layout
- Camera remains overhead and centered
- Smooth continuous timelapse
- Realistic construction progression
- Photorealistic final stadium
- No cuts, no scene changes
- Cinematic lighting evolution
- High detail construction animation
- End frame matches the final stadium reference image

Audio:
Construction ambience only.
Distant machinery.
Metal assembly sounds.
Crowd ambience gradually fades in near completion.
No music.