Cloisonne Enamel History PPT Slide AI Image Prompt

A single-slide educational PPT page in ornate Chinese cultural style. Canvas: aspect ratio 16:9 widescreen, background warm ivory parchment with faint ink-wash mountains, clouds, and pale blue-gray landscape texture, border thick dark teal frame with gold double-line trim and decorative Chinese corner knots. Theme: topic {argument name="slide title" default="历史沿革：起源与发展"}, subtitle {argument name="subtitle text" default="这门工艺并非凭空而来，而是在交流中生长、在中国语境中成熟。"}, style elegant museum-course presentation, classical Chinese ornamentation, blue-and-gold cloisonne enamel palette, refined academic tone. Layout: page number positioned top right inside ornate teal-and-gold label, text "04 / 10". Title block positioned top center, title font large bold dark navy Chinese serif calligraphy-style type, subtitle font smaller brown Chinese serif text, decorations small teal-and-gold cloud ornaments flanking subtitle. Timeline positioned middle across full width, count 5, cards: card 1 number "01" position left, text "珐琅工艺最早可追溯至西方与中亚地区，后经丝绸之路传入中国。", stage label "西来影响"; card 2 number "02" position left-center, text "元代已出现相关技术基础与器物形态，为后续发展奠定条件。", stage label "元代基础"; card 3 number "03" position center, text "明代工艺逐渐成熟，北京成为重要制作中心。", stage label "明代成熟"; card 4 number "04" position right-center, text "“景泰蓝”之名，常被认为与明景泰年间盛行的蓝釉色有关。", stage label "清代鼎盛"; card 5 number "05" position right, text "到清代，掐丝珐琅进入更加精致繁复的发展阶段。", stage label empty. Card style rounded cream plaques with thin gold outlines, teal numbered floral medallions above, small black bullet at start of each text block. Connector thin horizontal gold line with small circular nodes and gold arrows between teal stage labels. Bottom illustration positioned lower third, map sepia silk-road map sweeping left to right across mountains, with dotted caravan route, camels, pagodas, city gates, and small vertical place tags, place tags count 5, tags: "西方", "中亚", "敦煌", "西安", "北京". Foreground left white magnolia flowers and pale ink clouds, foreground right three ornate blue cloisonne enamel objects on a dark teal tabletop: a flat floral plate, a tall vase, and a large lidded incense burner with gold handles and feet, plus one small round lidded box and several gold rings, object count 5. Visual requirements: Create a polished finished PPT slide, not a mockup. Use crisp readable Chinese typography, balanced spacing, antique watercolor textures, and highly detailed blue-and-gold enamel product illustration. Keep all five timeline cards distinct and aligned, with the fifth card having no bottom stage label. Maintain a premium courseware aesthetic suitable for a classroom lecture on the historical development of cloisonne enamel.