“7”是使用 FontVibe AI 创作的魔法奇幻文字效果。古老魔法书风格字体，神秘符文、奥术光晕、暗黑魔法氛围，还有巫师风格的华丽字形。

rendered as ancient spellbook text with mystical arcane energy — glowing runes and magical symbols orbiting the letters. Ethereal purple and gold magical aura, floating sparkle particles and wisps of magical smoke. Ornate fantasy serif letterforms with subtle glow. The numeral 7 rendered as a single monumental glyph carved from obsidian-black ancient stone, surface etched with micro-scale runic inscriptions glowing violet-gold from within the grooves. A halo of orbiting arcane rune symbols encircles the character in slow elliptical arcs, each rune leaving a trail of shimmering gold dust particles suspended in the air. Wispy tendrils of luminous purple smoke curl upward from the base of the numeral, dissolving into a deep indigo void. Ancient library background — towering dark shelves receding into shadow, leather-bound spell tomes with gold-leaf spines, flickering amber candlelight cutting through purple atmospheric haze. A dramatic upward-cast magical light source beneath the glyph throws deep chiaroscuro across its carved face, illuminating sharp angular edges with warm gold rim light while the body sinks into cool violet shadow. Floating luminous motes drift across the scene like stirred spell dust. The composition feels as though the number itself is a living incantation — a summoning glyph from a forbidden chapter, radiating contained arcane energy outward in concentric rings of faint bioluminescent light.