四海麻将 | Four Seas Mahjong
四海麻将：造牌、竞技、健康、绿色、科学的麻将规则
四海麻将是一个以造牌麻将、竞技麻将、健康麻将、绿色麻将和科学麻将规则为核心的在线平台。 四海麻将强调花样造牌、规则平衡、数据统计和长期竞技体验，提供在线对局、四海规则文章、 排行榜、数据统计和个人战绩。
平台目标是构建造牌最丰富、竞技性最强、结构科学合理的麻将规则体系，让玩家可以从基础版逐步进入标准版， 在友人局和练习局中体验四海麻将的完整造牌系列。
Four Seas Mahjong: Creative, Competitive, Healthy, and Scientific Mahjong Rules
Four Seas Mahjong is an online mahjong platform focused on creative hand-building, competitive play, healthy non-gambling gameplay, green community values, and scientifically balanced mahjong rules. The site provides online play, rule articles, rankings, data statistics, and personal records.
The ruleset is designed for rich hand-building, deep competition, and clear statistical analysis. Players can start with the Basic Level and move toward the Standard Level through friend matches and practice games.