主页

欢迎来到 The Backrooms 幸存者总督！

想要发布新作品？

你可以用这一栏来创建通用页面：

---

最新发布的页面

Level ZD-105 “盛夏•蝉鸣”
G w theme css
更好的图片块 后端
当Level 11被微软翻译114514次……
灰狼 版式
精品中心
归乡路
Level ZD-38“千禧旧梦”
Level ZD-33“伪阈”
后室邮箱bem.com

查看更多

精品文章

精品物品 - 2026 第三季度

---

Object ZD-0 - “实态痛苦”

作者：triangle sandwich

活下来，振作起来？
我是为什么有勇气说出这种话的？
我自己做到哪怕一分一毫了吗？

精品层级 - 2026 第三季度

---

Level ZD-110 - “不朽的迹象”

作者：A1234YY*cc

“但我想，后室终归是慈悲的。”

精品实体 - 2026 第三季度

---

Entity ZD-3 - “影蝶”

作者：xiegezi

在流浪者即将濒死前的最后一分钟内，该实体的花纹会呈现出最为“完美”而耀眼的形态，而这也意味着两方生命的终结。

精品层级 - 2026 第三季度

---

Level ZD-101 - “镜与影”

作者：algodoo

steve：报告总部，我是Steve，我目前已成功切出，录像设备轻微损坏。¹

查看更多

---

公告

公告栏

欢迎来到后室幸存者总督

2026/07/01

第一次精品评选现在开始！

---

2026/06/26

精品政策现开始试行，详细通告见此。

---

2026/06/19

2026三周年竞赛现已结束，恭喜algodoo和jiliangjiyin的Level ZD-202及the worst wishes的Level ZD-31并列获得冠军。

---

2025/11/22

本站站规已更新，建议各位成员通读。因不知悉规则而造成的违规，责任由违规者自负。

---

2025/10/28

由于截稿时仅有一篇参赛文章，2025大团圆竞赛现已提前结束，官方奖励取消。

---

2025/10/1

2025大团圆竞赛开始，详情请见此

---

2025/8/17

原站长cce1611因个人原因将不再担任站长一职，algodoo成为了新的站长，感谢cce1611在担任站长的860天内对本站的付出，愿本站越来越好。

---

2025/6/29

2025十站联合竞赛中心页已发布。

---

2025/5/30

2025后室UF和ZD联合竞赛已结束！恭喜king 1234的Level zd-100获得第一。

---

2025/5/24

本站已与后室UF层群建交

---

2025/4/11

后室幸存者总督的五一劳动节竞赛即将开始，详情见此

---

2025/3/31
因uivbghru467gi1发布大量低质量页面，已被algodoo移出网站

---

2024/8/11
本站正式与后室NS维基缔结外交关系。

---

2024/2/14
LYH0818成为新的管理员。

---

2023/8/5
因cce1611回归，triangle sandwich现任副站长一职

---

2023/8/4

你站站长cce1611回归

---

2023/7/2

由于Rain-Create 不匹配任何一个现有的用户名占用现有编号写文，现已依其主动要求，将其涉事文档删除。

由于站长cce1611因现实原因暂时退网，现将网站暂时转让给triangle sandwich，triangle sandwich任代理站长。

---

待补充

旧新闻归档

---

建交站点

后室KP分部

https://kp-backrooms.wikidot.com/

后室uf分部

https://uf-backrooms.wikidot.com/

+ 展开样式代码

/* BHL Style Search Top Box And User Account */
/* By Mercuresphere */
/* Based on BHL Theme */
 
:root, :root:lang(cn) {
    --merc-light-color: var(--swatch-menutxt-light-color);
    --merc-dark-color: var(--swatch-menubg-dark-color);
 
    --user-account-mask: url("https://fastly.jsdelivr.net/gh/Crimone/crimson-anemone@main/files/user-circle.svg");
    --search-top-box-mask: url("https://fastly.jsdelivr.net/gh/Crimone/crimson-anemone@main/files/search-top-box-mask.svg");
}
 
/* ===用户和搜索栏=== */
@media only screen and (max-width: 768px) {
    #login-status {
        right: unset;
        font-size: unset;
    }
 
    #navi-bar, #navi-bar-shadow, #search-top-box-input {
        display: unset;
    }
 
    #search-top-box-input {
        min-width: unset;
    }
 
    #search-top-box {
        top: unset;
        right: unset;
        height: unset;
    }
 
    #search-top-box:focus-within {
        box-shadow: unset;
        background: unset;
        padding: unset;
    }
 
    #search-top-box:not(:focus-within):before {
        -webkit-mask-size: calc(calc(0.9375rem * 1.8) / 2) calc(calc(0.9375rem * 1.8) / 2);
        -webkit-mask-position: center center;
        -webkit-mask-repeat: no-repeat;
        -webkit-mask-image: var(--search-top-box-mask);
        z-index: 14;
        background-color: rgb(var(--merc-light-color));
        color: rgb(var(--merc-dark-color));
        text-align: center;
        cursor: pointer;
        mask-image: var(--search-top-box-mask);
        mask-position: center center;
        mask-repeat: no-repeat;
        mask-size: calc(calc(0.9375rem * 1.8) / 2) calc(calc(0.9375rem * 1.8) / 2);
        pointer-events: none;
        position: absolute;
        top: 0;
        right: 0;
        width: calc(0.9375rem * 1.8);
        height: 100%;
        content: " ";
    }
 
    #search-top-box form[id=search-top-box-form] {
        visibility: unset;
        height: unset;
    }
 
    #search-top-box form[id=search-top-box-form]:focus-within {
        visibility: unset;
    }
 
    #search-top-box form[id=search-top-box-form] input {
        -webkit-appearance: unset;
        -moz-appearance: unset;
        position: unset;
        top: unset;
        transform: unset;
        appearance: unset;
        height: unset;
    }
 
    #search-top-box form[id=search-top-box-form] input[type=text] {
        visibility: unset;
        transition: box-shadow .2s cubic-bezier(.4, 0, .2, 1), font-variation-settings .2s cubic-bezier(.4, 0, .2, 1), font-weight .2s cubic-bezier(.4, 0, .2, 1), background-color .15s cubic-bezier(.4, 0, .2, 1), color .15s cubic-bezier(.4, 0, .2, 1), right .2s cubic-bezier(.4, 0, .2, 1), width .6s cubic-bezier(.4, 0, .2, 1), padding .6s cubic-bezier(.4, 0, .2, 1), max-width .6s cubic-bezier(.4, 0, .2, 1);
    }
 
    #search-top-box form[id=search-top-box-form]:not(:focus-within) input[type=text] {
        position: unset;
        right: unset;
        transform: unset;
        cursor: unset;
        border-width: unset;
        width: unset;
        height: unset;
        color: unset;
    }
 
    #search-top-box form[id=search-top-box-form]:not(:focus-within) input[type=text]:hover {
        background-color: unset;
    }
 
    #search-top-box form[id=search-top-box-form] input[type=submit] {
        background: none;
        transition: unset;
    }
 
    #search-top-box form[id=search-top-box-form]:not(:focus-within) input[type=submit] {
        opacity: unset;
        margin: unset;
        padding: unset;
        width: unset;
    }
 
    #header h1 a {
        z-index: unset;
    }
}
 
@media only screen and (max-width: 56.25rem) {
    #search-top-box form[id="search-top-box-form"]:not(:focus-within) input[type="text"] {
        background-color: rgba(0, 0, 0, 0);
    }
}
 
@media (min-width: 36rem) {
    #login-status {
        flex-grow: unset;
        left: unset;
        right: unset;
    }
 
    #login-status:not(:hover):not(:focus-within) {
        visibility: hidden;
    }
 
    #login-status::before {
        visibility: visible;
    }
}
 
#search-top-box-input {
    min-width: unset;
    display: inline-block;
}
 
#search-top-box-form input[type=submit], #search-top-box-form input[type=submit]:focus, #search-top-box-form input[type=submit]:hover {
    color: transparent;
}
 
#search-top-box-form input[type=submit]:focus, #search-top-box-form input[type=submit]:hover {
    border: none;
    text-shadow: none;
}
 
#search-top-box-form input[type=submit], #search-top-box-input:focus, #search-top-box-input:hover {
    border: none;
}
 
#search-top-box {
    display: flex;
    z-index: 12;
    position: absolute;
    top: 1.5em;
    right: calc(3% - .25em);
    align-items: center;
    justify-content: center;
    width: auto;
    height: calc(0.9375rem * 1.8);
    transform: translateY(-50%);
    font-size: calc(0.9375rem * .86667);
}
 
#search-top-box, #search-top-box * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: none;
    transition: box-shadow .2s cubic-bezier(.4, 0, .2, 1), font-variation-settings .2s cubic-bezier(.4, 0, .2, 1), font-weight .2s cubic-bezier(.4, 0, .2, 1), background-color .15s cubic-bezier(.4, 0, .2, 1), color .15s cubic-bezier(.4, 0, .2, 1), right .2s cubic-bezier(.4, 0, .2, 1), width .6s cubic-bezier(.4, 0, .2, 1), padding .6s cubic-bezier(.4, 0, .2, 1), max-width .6s cubic-bezier(.4, 0, .2, 1);
    will-change: box-shadow, font-variation-settings, font-weight, background-color, color, right, width, padding, max-width;
}
 
#search-top-box:focus-within, #search-top-box:focus-within *, #search-top-box:focus-within :after, #search-top-box:focus-within :before {
    margin: 0;
    padding: 0;
    transition: box-shadow .2s cubic-bezier(.4, 0, .2, 1), font-variation-settings .2s cubic-bezier(.4, 0, .2, 1), font-weight .2s cubic-bezier(.4, 0, .2, 1), background-color .15s cubic-bezier(.4, 0, .2, 1), color .15s cubic-bezier(.4, 0, .2, 1), right .2s cubic-bezier(.4, 0, .2, 1), width .3s cubic-bezier(.4, 0, .2, 1), padding .3s cubic-bezier(.4, 0, .2, 1), max-width .3s cubic-bezier(.4, 0, .2, 1);
    will-change: box-shadow, font-variation-settings, font-weight, background-color, color, right, width, padding, max-width;
}
 
#search-top-box:focus-within {
    background: rgba(var(--merc-dark-color), .7);
    box-shadow: calc(calc(0.9375rem * 1.8) / 2 * -1) 0 calc(calc(0.9375rem * 1.8) / 2) rgba(var(--merc-dark-color));
}
 
#search-top-box:after, #search-top-box:before {
    position: absolute;
    top: 0;
    right: 0;
    width: calc(0.9375rem * 1.8);
    height: 100%;
    content: " ";
}
 
#search-top-box:before {
    -webkit-mask-size: calc(calc(0.9375rem * 1.8) / 2) calc(calc(0.9375rem * 1.8) / 2);
    -webkit-mask-position: center center;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-image: var(--search-top-box-mask);
    z-index: 14;
    background-color: rgb(var(--merc-light-color));
    color: rgb(var(--merc-dark-color));
    text-align: center;
    cursor: pointer;
    mask-image: var(--search-top-box-mask);
    mask-position: center center;
    mask-repeat: no-repeat;
    mask-size: calc(calc(0.9375rem * 1.8) / 2) calc(calc(0.9375rem * 1.8) / 2);
    pointer-events: none;
}
 
#search-top-box:not(:focus-within):hover:before {
    background-color: rgb(var(--merc-light-color));
}
 
#search-top-box:after {
    --clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    -webkit-clip-path: var(--clip-path);
    z-index: 13;
    clip-path: var(--clip-path);
    pointer-events: none;
    background-color: transparent;
}
 
#search-top-box:not(:focus-within):after {
    --clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
    background-color: rgb(var(--merc-light-color), 0);
}
 
#search-top-box form[id=search-top-box-form] {
    display: flex;
    visibility: visible;
    position: relative;
    right: 0;
    max-width: 100%;
    height: calc(0.9375rem * 1.8);
}
 
#search-top-box form[id=search-top-box-form]:not(:focus-within) {
    max-width: calc(0.9375rem * 15);
}
 
#search-top-box form[id=search-top-box-form] input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    position: relative;
    top: 0;
}
 
#search-top-box form[id=search-top-box-form] input[type=text] {
    z-index: 13;
    position: absolute;
    right: 0;
    width: calc(0.9375rem * 15);
    max-width: calc(0.9375rem * 15);
    height: 100%;
    padding: 0 calc(0.9375rem * 1.8) 0 1em;
    outline: 0 solid rgb(var(--merc-light-color));
    background-color: rgb(var(--merc-dark-color), .7);
    box-shadow: 0 0 0 .125rem rgb(var(--merc-light-color));
    color: rgba(var(--merc-light-color));
}
 
#search-top-box form[id=search-top-box-form]:not(:focus-within) input[type=text] {
    max-width: calc(0.9375rem * 1.8);
    padding: 0;
    outline-width: 0;
    background-color: rgba(var(--merc-dark-color), 0);
    box-shadow: 0 0 0 0 rgb(var(--merc-light-color));
    color: rgba(0, 0, 0, 0);
    cursor: pointer;
}
 
#search-top-box form[id=search-top-box-form]:not(:focus-within) input[type=text]:hover {
    background-color: rgba(var(--merc-dark-color), 1);
}
 
#search-top-box form[id=search-top-box-form] input[type=submit] {
    visibility: visible;
    z-index: 14;
    position: absolute;
    right: 0;
    width: calc(0.9375rem * 1.8);
    height: calc(0.9375rem * 1.8);
    outline: 0 solid rgb(var(--merc-light-color));
    background-color: transparent;
    box-shadow: 0 0 0 .125rem rgb(var(--merc-light-color));
    color: t;
    font-size: calc(0.9375rem * .86667);
    cursor: pointer;
    pointer-events: all;
}
 
#search-top-box form[id=search-top-box-form]:not(:focus-within) input[type=submit] {
    box-shadow: 0 0 0 0 rgb(var(--merc-light-color));
    pointer-events: none;
}
 
#login-status {
    --wght: var(--ui-wght);
    display: flex;
    z-index: 11;
    position: absolute;
    top: 1.5em;
    right: calc(3% + calc(0.9375rem * 1.8) - .25em);
    align-items: center;
    justify-content: center;
    height: 2em;
    margin: 0 0 0 .5em;
    transform: translateY(-50%);
    color: rgb(var(--merc-light-color));
    font-weight: var(--wght);
    font-size: 1em;
    font-family: var(--UI-font);
    white-space: nowrap;
    transition: opacity .2s cubic-bezier(.4, 0, .2, 1);
}
 
#search-top-box:focus-within ~ #login-status {
    opacity: 0;
}
 
#login-status span.printuser a:first-of-type {
    width: 1.75em;
}
 
#login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-create-account, #login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-sign-in {
    margin: 0 1em;
    background-color: rgb(var(--pale-gray-monochrome));
    color: rgb(var(--merc-dark-color));
    padding: 0.1em 1em;
    text-decoration: none;
}
 
#login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-create-account:active, #login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-create-account:hover, #login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-sign-in:active, #login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-sign-in:hover, #login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-create-account:focus-within, #login-status:not(.page-rate-widget-box):not(#search-top-box-form) > a.login-status-sign-in:focus-within {
    background-color: rgba(var(--merc-light-color), 1);
    color: rgb(var(--merc-dark-color));
    text-decoration: none;
}
 
#login-status span.printuser {
    --wght: var(--ui-wght);
    margin-right: .5em;
    color: rgb(var(--merc-light-color));
    font-weight: var(--wght);
}
 
#login-status a#my-account, #login-status a[href*="account/messages"] {
    color: rgb(var(--merc-light-color));
}
 
#login-status a#my-account {
    --wght: var(--ui-wght);
    -webkit-text-decoration: underline rgb(var(--merc-dark-color)) .125em;
    display: flex;
    align-items: center;
    padding: 0 .5em;
    background-color: initial;
    box-shadow: inset 0 0 0 0 rgb(var(--merc-dark-color));
    font-weight: var(--wght);
    text-decoration: underline rgb(var(--merc-dark-color)) .125em;
    transition: box-shadow .2s cubic-bezier(.4, 0, .2, 1), text-decoration .2s cubic-bezier(.4, 0, .2, 1), -webkit-text-decoration .2s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status a#my-account:active, #login-status a#my-account:hover {
    --wght: var(--ui-hvr-wght);
    -webkit-text-decoration: underline rgb(var(--merc-dark-color)) 0;
    box-shadow: inset 0 -2em 0 0 rgb(var(--merc-dark-color));
    color: rgb(var(--merc-light-color));
    font-weight: var(--wght);
    text-decoration: underline rgb(var(--merc-dark-color)) 0;
}
 
#login-status a#my-account:focus-within {
    --wght: var(--ui-hvr-wght);
    -webkit-text-decoration: underline rgb(var(--merc-dark-color)) 0;
    box-shadow: inset 0 -2em 0 0 rgb(var(--merc-dark-color));
    color: rgb(var(--merc-light-color));
    font-weight: var(--wght);
    text-decoration: underline rgb(var(--merc-dark-color)) 0;
}
 
#login-status #account-topbutton {
    --clip-path: polygon(30% 35%, 70% 35%, 50% 60%, 50% 60%);
    -webkit-clip-path: var(--clip-path);
    position: relative;
    width: var(--account-height);
    height: var(--account-height);
    margin: 0;
    padding: 0;
    background-color: rgb(var(--merc-light-color));
    color: transparent;
    clip-path: var(--clip-path);
    transition: -webkit-clip-path .1s cubic-bezier(.4, 0, .2, 1);
    transition: clip-path .1s cubic-bezier(.4, 0, .2, 1), -webkit-clip-path .1s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status #account-options {
    display: block !important;
    z-index: 12;
    position: absolute;
    top: 1.5rem;
    right: 0;
    width: 10em;
    margin: .25em 0 0;
    padding: 0;
    overflow: hidden;
    background-image: var(--gradient-header);
    background-color: rgb(var(--merc-dark-color));
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status #account-options:focus-within, #login-status #account-topbutton:active + #account-options, #login-status #account-topbutton:focus + #account-options {
    opacity: 1;
    pointer-events: all;
}
 
@media (pointer: coarse) {
    #login-status #account-options:hover, #login-status #account-topbutton:hover + #account-options {
        opacity: 1;
        pointer-events: all;
    }
}
 
#login-status #account-options * {
    margin: 0;
    padding: 0;
}
 
#login-status #account-options ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 2em;
    flex-grow: 1;
    align-items: center;
    justify-content: center;
    font-size: .85em;
}
 
#login-status #account-options ul li {
    position: relative;
}
 
#login-status #account-options ul li, #login-status #account-options ul li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}
 
#login-status #account-options a {
    --box-shadow: rgba(var(--merc-dark-color));
    --wght: var(--ui-wght);
    position: relative;
    flex-grow: 1;
    height: 100%;
    max-height: 2em;
    padding: 0 .25em;
    box-shadow: inset 0 0 0 .0625rem var(--merc-dark-color);
    font-weight: var(--wght);
    transition: color .15s cubic-bezier(.4, 0, .2, 1), font-weight .15s cubic-bezier(.4, 0, .2, 1), font-variation-settings .15s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status #account-options li > a, #login-status #account-options li > a:visited {
    color: rgb(var(--merc-light-color));
}
 
#login-status #account-options li > a:active, #login-status #account-options li > a:hover {
    --wght: var(--ui-hvr-wght);
    color: rgb(var(--merc-dark-color));
    font-weight: var(--wght);
    text-decoration: none;
}
 
#login-status #account-options li > a:focus-within {
    --wght: var(--ui-hvr-wght);
    color: rgb(var(--merc-dark-color));
    font-weight: var(--wght);
    text-decoration: none;
}
 
#login-status #account-options li > a[href*="/messages"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    min-height: 100%;
    font-size: 0;
}
 
#login-status #account-options li > a[href*="/messages"]:after {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    content: "信息";
    font-size: calc(0.9375rem * .765);
    pointer-events: none;
}
 
#login-status #account-options li > a:before {
    --clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    -webkit-clip-path: var(--clip-path);
    z-index: -1;
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(var(--merc-light-color));
    content: " ";
    clip-path: var(--clip-path);
    pointer-events: none;
    transition: -webkit-clip-path .2s cubic-bezier(.4, 0, .2, 1);
    transition: clip-path .2s cubic-bezier(.4, 0, .2, 1), -webkit-clip-path .2s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status #account-options li > a:active:before, #login-status #account-options li > a:hover:before {
    --clip-path: polygon(-15% 0, 115% 0, 100% 100%, 0 100%);
}
 
#login-status #account-options li > a:focus-within:before {
    --clip-path: polygon(-15% 0, 115% 0, 100% 100%, 0 100%);
}
 
/* ===默认收起用户信息栏和搜索栏=== */
#search-top-box {
    top: 23px;
    right: calc(3%);
}
 
#login-status {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    top: 24px;
    right: calc(3% + calc(0.9375rem * 1.8) + .25em);
    color: transparent;
    pointer-events: none;
    transition: color .2s cubic-bezier(.4, 0, .2, 1);
    user-select: none;
}
 
@media only screen and (min-width: 980px) {
    #search-top-box {
        right: calc(3% + (-100vw + var(--header-width-on-desktop, 61.25rem)) / 2);
    }
 
    #login-status {
        right: calc(3% + calc(0.9375rem * 1.8) + .25em + (-100vw + var(--header-width-on-desktop, 61.25rem)) / 2);
    }
}
 
#login-status:active, #login-status:hover {
    -webkit-user-select: initial;
    -moz-user-select: initial;
    -ms-user-select: initial;
    color: rgb(var(--merc-light-color));
    pointer-events: all;
    user-select: auto;
}
 
#login-status:focus-within {
    -webkit-user-select: initial;
    -moz-user-select: initial;
    -ms-user-select: initial;
    color: rgb(var(--merc-light-color));
    pointer-events: all;
    user-select: auto;
}
 
#login-status:active #account-options, #login-status:hover #account-options {
    pointer-events: all;
}
 
#login-status:focus-within #account-options {
    pointer-events: all;
}
 
#login-status > :not(#account-topbutton):not([href*="account/messages"]) {
    --clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
    -webkit-clip-path: var(--clip-path);
    clip-path: var(--clip-path);
    opacity: 0;
    transition: box-shadow .2s cubic-bezier(.4, 0, .2, 1), text-decoration .2s cubic-bezier(.4, 0, .2, 1), color .2s cubic-bezier(.4, 0, .2, 1), clip-path .2s cubic-bezier(.4, 0, .2, 1), opacity .2s cubic-bezier(.4, 0, .2, 1), -webkit-text-decoration .2s cubic-bezier(.4, 0, .2, 1), -webkit-clip-path .2s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status:active > :not(#account-topbutton):not([href*="account/messages"]), #login-status:hover > :not(#account-topbutton):not([href*="account/messages"]) {
    --clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    -webkit-clip-path: var(--clip-path);
    clip-path: var(--clip-path);
    opacity: 1;
}
 
#login-status:focus-within > :not(#account-topbutton):not([href*="account/messages"]) {
    --clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    -webkit-clip-path: var(--clip-path);
    clip-path: var(--clip-path);
    opacity: 1;
}
 
#login-status #account-topbutton {
    margin-left: 0;
    background-color: initial;
    pointer-events: all;
    transition: clip-path .15s cubic-bezier(.4, 0, .2, 1), background-color .15s cubic-bezier(.4, 0, .2, 1), -webkit-clip-path .15s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status:hover #account-topbutton {
    background-color: rgb(var(--merc-light-color));
}
 
#login-status:before {
    -webkit-mask-image: var(--user-account-mask);
    -webkit-mask-size: calc(calc(0.9375rem * 1.8) - .5em);
    -webkit-mask-position: center right;
    -webkit-mask-repeat: no-repeat;
    z-index: 2;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(var(--merc-light-color), 1);
    content: "";
    cursor: pointer;
    mask-image: var(--user-account-mask);
    mask-position: center right;
    mask-repeat: no-repeat;
    mask-size: calc(calc(0.9375rem * 1.8) - .5em);
    pointer-events: all;
    transition: background-color .15s cubic-bezier(.4, 0, .2, 1);
}
 
#login-status:hover:before {
    background-color: rgba(var(--search-icon-hover-color), 1);
}
 
#login-status:active:after, #login-status:active:before, #login-status:hover:after, #login-status:hover:before {
    background-color: rgba(var(--search-icon-hover-bg-color), 0);
    cursor: auto;
    pointer-events: none;
}
 
#login-status:focus-within:after, #login-status:focus-within:before {
    background-color: rgba(var(--search-icon-hover-bg-color), 0);
    cursor: auto;
    pointer-events: none;
}
 
#login-status #account-topbutton {
    --clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    -webkit-clip-path: var(--clip-path);
    background-color: rgba(var(--merc-light-color), 0);
    clip-path: var(--clip-path);
}
 
#login-status:active #account-topbutton, #login-status:hover #account-topbutton {
    --clip-path: polygon(30% 35%, 70% 35%, 50% 60%, 50% 60%);
    -webkit-clip-path: var(--clip-path);
    background-color: rgb(var(--merc-light-color));
    clip-path: var(--clip-path);
}
 
#login-status:focus-within #account-topbutton {
    --clip-path: polygon(30% 35%, 70% 35%, 50% 60%, 50% 60%);
    -webkit-clip-path: var(--clip-path);
    background-color: rgb(var(--merc-light-color));
    clip-path: var(--clip-path);
}
 
#login-status #account-options {
    margin: 0;
}
 
#login-status a[href*="account/messages"] {
    color: rgb(var(--merc-light-color));
    pointer-events: all;
}
 
#account-topbutton {
    border: none;
}
 
#account-options {
    border: none;
}

脚注

1. 此处引用了后室3层群维基的组件文字常态反转，作者error-com。