浮城岛
prize竞赛优胜作品
这篇设定参加了一场社区活动，而且取得了排名的前三位！
prize竞赛优胜作品
这篇设定参加了一场社区活动，而且取得了排名的前三位！
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浮沉的巷岛域国The Fluctuationarea UNDER Factions

浮城岛
%E8%A2%96%E7%8F%8D%E5%9B%BD.png
兵家必争之地
谍者暗战之场

浮沉的巷岛域国（以下简称巷域) ，主要领土即浮城岛，也被称作中程岛。因地处埃隆罗克与社系两大政治实体的战略缓冲地带，巷域政治混乱而经济萎靡。

巷域全境被北洋包裹，岛屿中间高而陡峭。原本中程岛是火山岛链的一部分，但其他岛屿因风浪侵蚀而被消磨殆尽。与北洋上其他岛屿的命运同归，中程岛因两大派别的明争暗斗而千疮百孔。岛屿表层覆盖着厚达30米的蜂窝状玄武岩层，这种多孔结构在千年海蚀作用下形成了总面积达58平方公里的地下迷宫。经双方查明并留下记录的暗道高达5900处，几乎将整个岛屿的地下掏空，这也导致中程岛成为地质灾害高发之地，是名副其实的"海上浮巷"。

巷域是埃隆罗克发现的岛屿，但因其位于社系的专属经济区，因此备受争议。埃隆罗克首先在巷域上建立了政府，并宣布统治。但社系当仁不让，在埃隆罗克宣布管辖巷域的同时，以捍卫国家主权与领土完整为说辞提出严正抗议，并上报世界大会。后因调解无果，于是大会在此设立了世界联盟永久托管区，从此中程岛成为了一个永久中立国。

由于巷域是一方"新大陆"，因此没有本土文化。虽然其被世界大会托管，但两大派别并未善罢甘休。社系通过巷域的移民政策向其输送约一万人，并就此成立了"巷南生产建设兵团"，掌握了巷域的南方土地。而埃隆罗克则以"产业转移"为由，在巷域的北岸大量建立工厂，并借此控制了岛屿北岸的土地。实际上双方均在各自掌控的地域建设了大量暗地明面里的军事基地，往对方阵营里派遣间谍，并多次在岛屿中央山体上开展军事演习，以至于引发冲突。

巷域因为土地资源匮乏而无法自给自足，因此其上的生产生活物资多由两方阵营各自承包。世界大会也会为巷域提供一定量的战略物资。这些物资被储存在巷域托管政府的地下暗室中，两方阵营均无权占有。

巷域的领导集团由世界大会派遣，但享有一定的自治权。巷域的领导集团通常一年三换，被其内部称作"最危险的调配"，其需要担任考察活动，定期对整个中程岛进行巡查。实际上，只要两方阵营尚未破罐破摔，专员便不会受到人身伤害。

巷域的命运早已超越地理意义上的岛屿存亡。这座岛屿的独特之处在于，它同时是地缘政治的压强计、军事科技的试验场、文明冲突的全息投影。由于两大派别之间局势的日益紧张，巷域被业内人士认定为世界大战是否发生的"战略临界点"之一，备受世界的关注。或许巷域正在这个临界点上，向着埃珥拉文明演绎着最残酷的存亡论。

作者_Rebeccad-ConstanceRebeccad-Constance，地图为自绘。

国家和地区
2025袖珍国家活动东半球国家微小的竞赛优胜作品
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