SCP-CN-249
@supports(display: grid) { :root { --sidebar-width-on-desktop: calc((var(--base-font-size) * (14 / 15)) * 19); --body-width-on-desktop: 45.75rem; } @media only screen and (min-width: 769px) { #side-bar .close-menu { display: block; position: fixed; top: 0.5rem; left: 0.5rem; width: 3rem; height: 3rem; background: unset; opacity: 1; pointer-events: all; z-index: -1; } #side-bar .close-menu img { color: transparent; } #side-bar .close-menu::before, #side-bar .close-menu::after { content: ""; box-sizing: border-box; position: fixed; display: block; top: 0.5rem; left: 0.5rem; width: 3rem; height: 3rem; padding: 0; margin: 0; text-align: center; pointer-events: all; cursor: pointer; transition: opacity var(--sidebar-transition-timing); } #side-bar .close-menu::before { --mask:url("data:image/svg+xml,%3C%3Fxml version='1.0' encoding='utf-8'%3F%3E%3Csvg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' id='Hamburger' x='0' y='0' baseProfile='tiny' overflow='visible' version='1.2' viewBox='0 0 32 32' xml:space='preserve'%3E%3Cpath d='M4 10h24c1.1 0 2-.9 2-2s-.9-2-2-2H4c-1.1 0-2 .9-2 2s.9 2 2 2zm24 4H4c-1.1 0-2 .9-2 2s.9 2 2 2h24c1.1 0 2-.9 2-2s-.9-2-2-2zm0 8H4c-1.1 0-2 .9-2 2s.9 2 2 2h24c1.1 0 2-.9 2-2s-.9-2-2-2z'/%3E%3C/svg%3E"); z-index: -1; background-color: var(--toggle-icon-color, rgb(var(--sidebar-links-text))) !important; -webkit-mask: var(--mask); mask: var(--mask); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: 50% 50%; mask-position: 50% 50%; -webkit-mask-size: 60%; mask-size: 60%; } #side-bar .close-menu::after { z-index: -2; background-color: var(--toggle-button-bg, rgb(var(--sidebar-bg-color))) !important; border-radius: var(--toggle-roundness, 50%); border: var(--toggle-border-color, rgb(var(--sidebar-links-text))) var(--toggle-border-width, 0.25rem) solid; } #side-bar:focus-within .close-menu, #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover .close-menu { pointer-events: none; } #side-bar:focus-within .close-menu::before, #side-bar:focus-within .close-menu::after { opacity: 0; pointer-events: none; } #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover .close-menu::before, #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover .close-menu::after { opacity: 0; pointer-events: none; } #side-bar { display: block; position: fixed; top: 0; left: calc(var(--sidebar-width-on-desktop)*-1); z-index: 10; transition: left 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; height: 100%; overflow-y: auto; overflow-x: hidden; margin-top: 0; } #side-bar:focus-within { left: 0; } #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover { left: 0; } #side-bar .side-block { margin-top: 1rem; background-color: rgb(0, 0, 0, 0); border-radius: 0; border-left-width: 0px; border-right-width: 0px; } #main-content::before { content: ""; display: block; position: fixed; top: 0; right: 0; z-index: -1; opacity: 0; transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms, width 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; margin-left: var(--sidebar-width-on-desktop); background: rgba(var(--swatch-menubg-black-color), .3) 1px 1px repeat; padding-right: 0; width: 100%; height: 100vh; pointer-events: none; z-index: 99; } #side-bar:focus-within ~ #main-content::before { width: calc(100% - var(--sidebar-width-on-desktop)); opacity: 1; pointer-events: all; } #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover ~ #main-content::before { width: calc(100% - var(--sidebar-width-on-desktop)); opacity: 1; pointer-events: all; } @supports (-moz-appearance:none) and (background-attachment:local) and (not (-moz-osx-font-smoothing:auto)) { #side-bar { padding: inherit; } } #content-wrap { display: flex; flex-direction: row; width: calc(100vw - (100vw - 100%)); min-height: calc(100vh - calc(var(--final-header-height-on-desktop, 10.125rem))); flex-grow: 2; height: auto; position: relative; margin: 0 auto; max-width: inherit; } #main-content { width: 100%; position: initial; max-height: 100%; padding: 2rem 1rem; max-width: var(--body-width-on-desktop, 45.75rem); margin: 0 auto; } #page-content { max-width: min(90vw, var(--body-width-on-desktop, 45.75rem)); } @supports (-webkit-hyphens:none) { #side-bar { transition: left 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms, padding-right 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms, background-color 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; padding-right: 0; background-color: rgb(0, 0, 0, 0); pointer-events: all; overflow-x: visible; overflow-y: visible; z-index: 999; } #side-bar::-webkit-scrollbar { opacity: 0; -webkit-transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; } #side-bar .close-menu::before { z-index: 999; } #side-bar .close-menu::after { z-index: 998; } #side-bar:hover .close-menu::before, #side-bar:hover .close-menu::after { opacity: 0; } #side-bar:hover { left: 0; background-color: rgba(var(--swatch-menubg-color), 1); padding-right: 0; } #side-bar:hover::-webkit-scrollbar { opacity: 1; } #side-bar:hover~#main-content::before { width: calc(100% - var(--sidebar-width-on-desktop)); opacity: 1; pointer-events: all; } } } }
@supports(display: grid) { :root { --sidebar-width-on-desktop: calc((var(--base-font-size) * (14 / 15)) * 19); --body-width-on-desktop: 45.75rem; } @media only screen and (min-width: 769px) { #side-bar .close-menu { display: block; position: fixed; top: 0.5rem; left: 0.5rem; width: 3rem; height: 3rem; background: unset; opacity: 1; pointer-events: all; z-index: -1; } #side-bar .close-menu img { color: transparent; } #side-bar .close-menu::before, #side-bar .close-menu::after { content: ""; box-sizing: border-box; position: fixed; display: block; top: 0.5rem; left: 0.5rem; width: 3rem; height: 3rem; padding: 0; margin: 0; text-align: center; pointer-events: all; cursor: pointer; transition: opacity var(--sidebar-transition-timing); } #side-bar .close-menu::before { --mask:url("data:image/svg+xml,%3C%3Fxml version='1.0' encoding='utf-8'%3F%3E%3Csvg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' id='Hamburger' x='0' y='0' baseProfile='tiny' overflow='visible' version='1.2' viewBox='0 0 32 32' xml:space='preserve'%3E%3Cpath d='M4 10h24c1.1 0 2-.9 2-2s-.9-2-2-2H4c-1.1 0-2 .9-2 2s.9 2 2 2zm24 4H4c-1.1 0-2 .9-2 2s.9 2 2 2h24c1.1 0 2-.9 2-2s-.9-2-2-2zm0 8H4c-1.1 0-2 .9-2 2s.9 2 2 2h24c1.1 0 2-.9 2-2s-.9-2-2-2z'/%3E%3C/svg%3E"); z-index: -1; background-color: var(--toggle-icon-color, rgb(var(--sidebar-links-text))) !important; -webkit-mask: var(--mask); mask: var(--mask); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: 50% 50%; mask-position: 50% 50%; -webkit-mask-size: 60%; mask-size: 60%; } #side-bar .close-menu::after { z-index: -2; background-color: var(--toggle-button-bg, rgb(var(--sidebar-bg-color))) !important; border-radius: var(--toggle-roundness, 50%); border: var(--toggle-border-color, rgb(var(--sidebar-links-text))) var(--toggle-border-width, 0.25rem) solid; } #side-bar:focus-within .close-menu, #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover .close-menu { pointer-events: none; } #side-bar:focus-within .close-menu::before, #side-bar:focus-within .close-menu::after { opacity: 0; pointer-events: none; } #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover .close-menu::before, #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover .close-menu::after { opacity: 0; pointer-events: none; } #side-bar { display: block; position: fixed; top: 0; left: calc(var(--sidebar-width-on-desktop)*-1); z-index: 10; transition: left 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; height: 100%; overflow-y: auto; overflow-x: hidden; margin-top: 0; } #side-bar:focus-within { left: 0; } #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover { left: 0; } #side-bar .side-block { margin-top: 1rem; background-color: rgb(0, 0, 0, 0); border-radius: 0; border-left-width: 0px; border-right-width: 0px; } #main-content::before { content: ""; display: block; position: fixed; top: 0; right: 0; z-index: -1; opacity: 0; transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms, width 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; margin-left: var(--sidebar-width-on-desktop); background: rgba(var(--swatch-menubg-black-color), .3) 1px 1px repeat; padding-right: 0; width: 100%; height: 100vh; pointer-events: none; z-index: 99; } #side-bar:focus-within ~ #main-content::before { width: calc(100% - var(--sidebar-width-on-desktop)); opacity: 1; pointer-events: all; } #side-bar:not(:has(.close-menu:hover)):not(:focus-within):hover ~ #main-content::before { width: calc(100% - var(--sidebar-width-on-desktop)); opacity: 1; pointer-events: all; } @supports (-moz-appearance:none) and (background-attachment:local) and (not (-moz-osx-font-smoothing:auto)) { #side-bar { padding: inherit; } } #content-wrap { display: flex; flex-direction: row; width: calc(100vw - (100vw - 100%)); min-height: calc(100vh - calc(var(--final-header-height-on-desktop, 10.125rem))); flex-grow: 2; height: auto; position: relative; margin: 0 auto; max-width: inherit; } #main-content { width: 100%; position: initial; max-height: 100%; padding: 2rem 1rem; max-width: var(--body-width-on-desktop, 45.75rem); margin: 0 auto; } #page-content { max-width: min(90vw, var(--body-width-on-desktop, 45.75rem)); } @supports (-webkit-hyphens:none) { #side-bar { transition: left 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms, padding-right 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms, background-color 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; padding-right: 0; background-color: rgb(0, 0, 0, 0); pointer-events: all; overflow-x: visible; overflow-y: visible; z-index: 999; } #side-bar::-webkit-scrollbar { opacity: 0; -webkit-transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1) 100ms; } #side-bar .close-menu::before { z-index: 999; } #side-bar .close-menu::after { z-index: 998; } #side-bar:hover .close-menu::before, #side-bar:hover .close-menu::after { opacity: 0; } #side-bar:hover { left: 0; background-color: rgba(var(--swatch-menubg-color), 1); padding-right: 0; } #side-bar:hover::-webkit-scrollbar { opacity: 1; } #side-bar:hover~#main-content::before { width: calc(100% - var(--sidebar-width-on-desktop)); opacity: 1; pointer-events: all; } } } }
| 项目编号：SCP-CN-249 | LEVEL3级 |
| 项目等级：Keter | 机密 |
特殊收容措施：由于SCP-CN-249广泛分布的性质，主动收容措施难以进行。当前的收容工作致力于追踪与抹除可能存在的信息泄露，并密切关注梦游行为导致的失踪事件。
描述：SCP-CN-249表现为一扇形态不定的房门，总以锁定状态出现在偏僻的位置。这一位置通常为平直的墙壁，偶有桥洞等明显不应该出现房门的地点。无论其外观与材质，有一行文字始终显现其上，且内容从未改变，即：
请避免独自入睡
所有的门都将在夜里打开
此后的第一夜，SCP-CN-249将开启，它的背后是一片无法被照亮的区域。但对于清醒的实地观察者，项目仍是关闭且不可进入的。同时，以项目为中心，半径600米以内的人类都将陷入异常的梦境，即CN-249-A。无论梦境内容，CN-249-A的结束总是伴随着急速下坠的主观感受，个体将在稍后醒来，并丧失大部分梦境记忆。此刻通常为夜半时分。
后续催眠疗法显示，所有的暴露者都在CN-249-A中遭遇了极端恐怖压抑的场景，且其潜意识中存在对房屋、天空、门窗、转角以及镜面的非理性恐惧，未知这种恐惧是否源于梦中遭遇。
从CN-249-A中获得的图像，可能为人类上半身，亦或是房屋的间隙
通过分析大量的统计数据，CN-249-A被认为具有以下不可复制的特点，即这些场景在正常梦境中绝无可能出现：
- 目睹已逝之人复生
- 发现夜空中月亮消失不见
- 在镜中看到不止一个自己的面孔，无论是否与清醒时相同
- 在梦中“醒来”，而后发现自己仍身处梦境
- 察觉到过多的位置没有被照亮
- 身处现实之中存在的地点，但场景之间的位置关系不符，或是布局发生了微小的转变
- 看到陶瓷婴孩在自主活动
- 醒来后不知身处何地，无法区分梦境与现实
- 强烈的无力与窒息感，周围环境混乱不清
- 被不间断注视的感觉
- 发现视线中所有的门都已经打开
此外，在陷入CN-249-A的个体中，约有7%出现了梦游症状。具体表现为睡眠中快速地坐起躺下、起身走动，以及大声哭喊，做出包括但不限于用刀具割腕、挖眼的自残行为，最终在1至3小时后自行回床睡眠；当梦游中途被唤醒时，暴露者常表现出异常的神志清醒，以及极端的恐惧和自杀欲望，并对再次入睡表现出强烈的抗拒。所有这些症状都将在黎明后随着SCP-CN-249的彻底消失而结束。问话未得到有关梦游阶段梦境的任何线索，其余尝试获得梦境图像的行动均失败了。
尽管这一反常梦游行为较少出现，且预后大多良好，但仍有少数案例中梦游者成功离开房屋，并独自找到了开启的SCP-CN-249，而后进入内部。
他们的躯体再未被寻回，没有任何SCP-CN-249曾经存在的痕迹，偶有一个或数个模糊不清的人形于失踪地点被短暂观察到，它们均遭到了严重的身体撕裂，肢体呈肿胀扭曲的状态，并在观察者试图接近时消失。
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