/*
 * 墨溟 · 论坛（Flarum 1.8）的外观
 * 不改 Flarum 的结构，只换颜色变量与排版。令牌与主站 core.css 保持一致。
 * 通过 extend.php 注入；字体来自主站的 /assets/css/fonts/。
 */

/* ------------------------------------------------------------------ 令牌 */

:root {
  --paper: #f2efe8; --paper-2: #e9e5dc; --paper-3: #dcd7cb; --paper-lift: #f7f5f0;
  --ink: #121417; --ink-2: #4b4d51; --ink-3: #7c7e81; --ink-4: #a8a7a2;
  --hair: rgba(18, 20, 23, .12); --hair-2: rgba(18, 20, 23, .22);
  --seal: #c23a22; --seal-ink: #f2efe8;
  --veil: rgba(242, 239, 232, .84);
  --shade: 0 1px 0 rgba(18, 20, 23, .04), 0 22px 56px -22px rgba(18, 20, 23, .3);
  --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --latin: 'Instrument Serif', 'Noto Serif SC', serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);

  /* Flarum 的变量 */
  --primary-color: var(--ink);
  --secondary-color: var(--ink);
  --body-bg: var(--paper);
  --body-bg-shaded: var(--paper-2);
  --body-bg-light: var(--paper-lift);
  --body-bg-faded: var(--veil);
  --text-color: var(--ink);
  --heading-color: var(--ink);
  --link-color: var(--ink);
  --muted-color: var(--ink-3);
  --muted-color-light: var(--ink-4);
  --muted-color-dark: var(--ink-2);
  --muted-more-color: var(--ink-4);
  --shadow-color: rgba(18, 20, 23, .2);
  --control-bg: var(--paper-2);
  --control-bg-light: var(--paper-lift);
  --control-bg-shaded: var(--paper-3);
  --control-color: var(--ink-2);
  --error-color: var(--seal);
  --validation-error-color: var(--seal);
  --header-bg: var(--veil);
  --header-color: var(--ink);
  --header-control-bg: var(--paper-2);
  --header-control-color: var(--ink-2);
  --overlay-bg: rgba(18, 20, 23, .5);
  --code-bg: var(--paper-2);
  --code-color: var(--ink);
  --alert-bg: var(--ink);
  --alert-color: var(--paper);
  --alert-error-bg: var(--seal);
  --alert-error-color: #fff;
  --alert-success-bg: var(--ink);
  --alert-success-color: var(--paper);
  --avatar-bg: var(--ink);
  --badge-bg: var(--ink-2);
  --badge-color: var(--paper);
  --usercard-bg: var(--paper-2);
  --hero-bg: transparent;
  --hero-color: var(--ink);
  --tooltip-bg: var(--ink);
  --tooltip-color: var(--paper);
  --online-user-circle-color: #5b7553;
  --discussion-title-color: var(--ink-2);
  --discussion-list-item-bg-hover: rgba(18, 20, 23, .035);
  --button-color: var(--ink);
  --button-bg: var(--paper-2);
  --button-bg-hover: var(--paper-3);
  --button-bg-active: var(--paper-3);
  --button-bg-disabled: var(--paper-2);
  --button-primary-color: var(--paper);
  --button-primary-bg: var(--ink);
  --button-primary-bg-hover: #2b2e33;
  --button-primary-bg-active: #000;
  --button-primary-bg-disabled: var(--ink-3);
  --button-toggled-color: var(--paper);
  --button-toggled-bg: var(--ink);
  --button-toggled-bg-hover: #2b2e33;
  --button-toggled-bg-active: #000;
  --muted-more-bg: rgba(18, 20, 23, .06);
  --muted-more-bg-hover: rgba(18, 20, 23, .1);
  --muted-more-bg-active: rgba(18, 20, 23, .14);
  --control-danger-color: var(--seal);
  --control-danger-bg: rgba(194, 58, 34, .1);
  --control-danger-bg-hover: rgba(194, 58, 34, .16);
  --control-danger-bg-active: rgba(194, 58, 34, .22);
  --tag-bg: var(--paper-3);
  --tag-color: var(--ink-2);
  --sticky-bg: var(--seal);
  --lock-color: var(--ink-3);
  --following-bg: var(--ink);
  --following-color: var(--paper);
  --header-colored-color: var(--ink);
  --header-colored-control-color: var(--ink-2);
  --header-colored-control-bg: var(--paper-2);
  --light-content-color: var(--ink);
  --light-content-control-color: var(--ink);
  --light-content-control-bg: rgba(18, 20, 23, .06);
  --border-radius: 10px;
  --header-height: 64px;
  --header-height-phone: 52px;
}
:root[data-theme="dark"] {
  --paper: #0e1013; --paper-2: #16191d; --paper-3: #23272c; --paper-lift: #13161a;
  --ink: #ece8df; --ink-2: #b4b0a7; --ink-3: #85827b; --ink-4: #5d5b56;
  --hair: rgba(236, 232, 223, .11); --hair-2: rgba(236, 232, 223, .22);
  --seal: #e0563b; --seal-ink: #0e1013;
  --veil: rgba(14, 16, 19, .84);
  --shade: 0 1px 0 rgba(0, 0, 0, .3), 0 26px 64px -22px rgba(0, 0, 0, .75);
  --shadow-color: rgba(0, 0, 0, .55);
  --overlay-bg: rgba(0, 0, 0, .6);
  --discussion-list-item-bg-hover: rgba(236, 232, 223, .035);
  --button-primary-bg-hover: #fff;
  --button-primary-bg-active: #fff;
  --button-toggled-bg-hover: #fff;
  --muted-more-bg: rgba(236, 232, 223, .06);
  --muted-more-bg-hover: rgba(236, 232, 223, .1);
  --control-danger-bg: rgba(224, 86, 59, .14);
  --online-user-circle-color: #8fae86;
  color-scheme: dark;
}

/* ------------------------------------------------------------------ 基础 */

body {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  text-autospace: normal;
  text-spacing-trim: normal;
}
::selection { background: var(--ink); color: var(--paper); }
h1, h2, h3, h4 { font-family: var(--serif); }
a { transition: color .25s; }
a:hover { text-decoration: none; }
.container { max-width: 1240px; }
:focus-visible { outline: 1.5px solid var(--seal) !important; outline-offset: 3px; }
.FormControl:focus, .FormControl.focus, .FormControl:focus-visible { border-color: var(--ink) !important; box-shadow: none; outline: none !important; background: transparent; }
hr { border-top-color: var(--hair); }

/* ------------------------------------------------------------------ 刊头 */

.App-header {
  background: var(--veil);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 1px 0 var(--hair) !important;
  border: 0;
}
.App-header .container { display: flex; align-items: center; height: var(--header-height); }
.Header-title { display: flex; align-items: center; margin-right: 34px; font-size: 19px; font-weight: 600; letter-spacing: .06em; }
.Header-title a { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.Header-title a::before {
  content: '';
  width: 16px;
  aspect-ratio: 100 / 186;
  background: var(--seal);
  -webkit-mask: url(/assets/img/seal.svg) center / contain no-repeat;
  mask: url(/assets/img/seal.svg) center / contain no-repeat;
}
.Header-logo { display: none; }
.Header-controls .Button, .Header-controls .Dropdown-toggle { color: var(--ink-2); font-size: 14px; letter-spacing: .1em; }
.Header-controls .Button:hover { color: var(--ink); background: transparent; }
.Header-secondary .item-signUp .Button, .Header-secondary .item-logIn .Button { padding: 7px 4px; margin: 0 6px; }
.Header-secondary .item-signUp .Button { color: var(--ink); }
.Header-secondary .item-signUp .Button-label::after { content: ''; display: block; height: 1px; margin-top: 2px; background: var(--seal); }

/* 主站的导航：由 forum.js 插在论坛名后面 */
.mm-sitenav { display: flex; align-items: center; gap: 26px; margin-right: auto; }
.mm-sitenav a { position: relative; display: inline-flex; align-items: flex-start; gap: 5px; padding: 8px 0; font-size: 14.5px; letter-spacing: .16em; color: var(--ink); }
.mm-sitenav a i { font-family: var(--mono); font-style: normal; font-size: 9.5px; letter-spacing: .04em; color: var(--ink-3); transform: translateY(-3px); }
.mm-sitenav a[aria-current] i, .mm-sitenav a:hover i { color: var(--seal); }
.mm-sitenav a::after { content: ''; position: absolute; left: 0; right: .16em; bottom: 3px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .5s var(--ease); }
.mm-sitenav a:hover::after { transform: scaleX(1); transform-origin: left; }
.mm-sitenav a[aria-current]::after { transform: scaleX(1); background: var(--seal); }
.mm-daynight { display: grid; place-items: center; width: 34px; height: 34px; margin-left: 8px; padding: 0; border: 0; background: none; color: var(--ink); border-radius: 50%; cursor: pointer; }
.mm-daynight svg { width: 17px; height: 17px; overflow: visible; }
.mm-daynight .dn-disc { fill: currentColor; }
.mm-daynight .dn-cut { transition: transform .7s var(--ease); }
:root[data-theme="dark"] .mm-daynight .dn-cut { transform: translate(-5px, -3px); }
.mm-daynight .dn-rays { stroke: currentColor; stroke-width: 1.2; stroke-linecap: round; transition: opacity .4s, transform .7s var(--ease); transform-origin: center; }
:root[data-theme="dark"] .mm-daynight .dn-rays { opacity: 0; transform: rotate(-60deg) scale(.6); }
.mm-daynight:hover { color: var(--seal); }

/* 搜索 */
.Search-input input, .Search-input .FormControl {
  height: 36px;
  border: 1px solid var(--hair-2);
  border-radius: 999px;
  background: transparent;
  font-family: var(--serif);
  color: var(--ink);
  transition: border-color .3s, width .5s var(--ease);
}
.Search-input input:focus { border-color: var(--ink); background: var(--body-bg); }
.Search-input .icon { color: var(--ink-3); }
.Search-results { border-radius: 14px; }

/* ------------------------------------------------------------------ 欢迎 */

.Hero { background: transparent; color: var(--ink); text-align: left; padding: 0; }
.WelcomeHero { padding: clamp(48px, 9vh, 96px) 0 clamp(32px, 6vh, 56px); }
.WelcomeHero .containerNarrow { max-width: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 0 48px; align-items: end; }
.WelcomeHero .containerNarrow::before {
  content: '论坛';
  grid-row: 1 / span 2;
  font-size: clamp(96px, 13vw, 210px);
  font-weight: 900;
  line-height: .9;
  letter-spacing: .02em;
}
.WelcomeHero .Hero-title { margin: 0 0 14px; font-size: clamp(24px, 2.2vw, 32px); font-weight: 600; letter-spacing: .04em; color: var(--ink); }
.WelcomeHero .Hero-subtitle { margin: 0; font-size: 16.5px; line-height: 1.85; color: var(--ink-2); opacity: 1; }
.Hero-close { top: 20px; color: var(--ink-3) !important; }
.Hero-close:hover { color: var(--ink) !important; }
.IndexPage .Hero + #wrapperengage + .container, .IndexPage .Hero + .container { border-top: 1px solid var(--ink); padding-top: 28px; }

/* 标签页的头 */
.TagHero, .DiscussionHero--colored { --hero-bg: transparent !important; --hero-color: var(--ink) !important; background: transparent !important; color: var(--ink) !important; }
.TagHero { padding: clamp(40px, 8vh, 80px) 0 28px; }
.TagHero .Hero-title { font-size: clamp(48px, 7vw, 108px); font-weight: 900; letter-spacing: .03em; }
.TagHero .Hero-title .icon { font-size: .32em; vertical-align: .6em; margin-right: 18px; color: var(--tag-color-real, var(--ink-3)); }
.TagHero .Hero-subtitle { margin-top: 12px; font-size: 16px; color: var(--ink-2); }

/* ------------------------------------------------------------------ 侧栏 */

.sideNav > ul > li, .sideNav .item-nav { margin-bottom: 4px; }
.IndexPage-newDiscussion, .App-primaryControl > .Button--primary {
  height: 46px;
  border-radius: 999px !important;
  font-size: 15px;
  letter-spacing: .14em;
  font-weight: 600;
  box-shadow: none;
}
/* Flarum 把主按钮（回复/发帖）锁成侧栏宽的 91.25%，标签一长就被裁掉半个词；
   让按钮按内容撑开、装得下就一行、装不下就换行，且不超出侧栏。 */
.App-primaryControl.Dropdown--split > .SplitDropdown-button {
  display: inline-block !important;
  width: auto !important;
  max-width: 100% !important;
  float: none !important;
  white-space: normal !important;
  height: auto !important;
  min-height: 46px;
  line-height: 1.3;
}
.App-primaryControl.Dropdown--split.itemCount1 > .Dropdown-toggle { display: none !important; }
.IndexPage-newDiscussion .icon, .App-primaryControl .Button-icon { margin-right: 8px; }
.sideNav .Dropdown-menu > li > a, .sideNav .Dropdown-menu > li > button { padding: 7px 0 7px 4px; font-size: 15px; letter-spacing: .08em; color: var(--ink-2); }
.sideNav .Dropdown-menu > li > a:hover { background: transparent; color: var(--ink); }
.sideNav .Dropdown-menu > li.active > a { color: var(--ink); font-weight: 600; }
.sideNav .Dropdown-menu > li.active > a .Button-icon { color: var(--seal); }
.sideNav .Dropdown-menu > li > a .Button-icon { color: var(--ink-3); width: 22px; }
.sideNav .Dropdown-separator { margin: 12px 0; background: var(--hair); }
.TagLinkButton .Button-icon { color: var(--ink-3) !important; }
.TagLinkButton.active .Button-icon, .TagLinkButton:hover .Button-icon { color: var(--seal) !important; }

/* ------------------------------------------------------------------ 讨论列表 */

.IndexPage-toolbar { margin-bottom: 8px; }
.IndexPage-toolbar .Button, .IndexPage-toolbar .Dropdown-toggle { border-radius: 999px; background: transparent; border: 1px solid var(--hair-2); color: var(--ink-2); font-size: 13.5px; letter-spacing: .1em; }
.IndexPage-toolbar .Button:hover { border-color: var(--ink); color: var(--ink); background: transparent; }
.DiscussionList { border-top: 1px solid var(--hair-2); }
.DiscussionListItem { border-bottom: 1px solid var(--hair); border-radius: 0; margin: 0; transition: background-color .3s; }
.DiscussionListItem:hover { background: var(--discussion-list-item-bg-hover); }
.DiscussionListItem-content { padding: 22px 70px 22px 62px; }
.DiscussionListItem-author { left: 4px; top: 22px; margin-top: 0; }
.DiscussionListItem-badges { top: 18px; left: 34px; }
.DiscussionListItem-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: .02em;
  color: var(--ink);
  transition: color .3s, transform .6s var(--ease);
}
.DiscussionListItem--read .DiscussionListItem-title, .DiscussionListItem-title.read { color: var(--ink-2); font-weight: 400; }
.DiscussionListItem-main:hover .DiscussionListItem-title { transform: translateX(4px); }
.DiscussionListItem-info { font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: var(--ink-3); }
.DiscussionListItem-info .username { font-family: var(--serif); font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--ink-2); }
.DiscussionListItem-info .icon { color: var(--ink-4); }
.DiscussionListItem-info > li { margin-right: 14px; }
.DiscussionListItem-info .item-excerpt { display: block; margin-top: 8px; font-family: var(--serif); font-size: 13.5px; line-height: 1.8; letter-spacing: .02em; color: var(--ink-2); white-space: normal; max-width: 40em; }
.DiscussionListItem-count {
  margin-top: 2px;
  margin-right: -66px;
  width: 54px;
  padding: 0;
  background: none !important;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400 !important;
  color: var(--ink-3) !important;
  text-align: right;
}
.DiscussionListItem-count::before { position: static; display: inline-block; margin: 0 6px 0 0; font-size: 12px; color: var(--ink-4); }
.unread .DiscussionListItem-count, .unread .DiscussionListItem-count::before { color: var(--seal) !important; }
.DiscussionList-loadMore { margin-top: 28px; }
.DiscussionList-loadMore .Button { border-radius: 999px; border: 1px solid var(--hair-2); background: transparent; }

/* 头像：一方墨色的小印 */
.Avatar {
  border-radius: 8px;
  --avatar-bg: var(--ink) !important;
  background: var(--ink) !important;
  color: var(--paper) !important;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
}
img.Avatar { background: var(--paper-2) !important; object-fit: cover; }
.DiscussionListItem-author .Avatar { --size: 38px; font-size: 17px; }

/* 标签：一粒色点 + 字 */
.TagLabel, .TagLabel.colored {
  --tag-real: var(--tag-bg);
  background: transparent !important;
  color: var(--ink-2) !important;
  border: 1px solid var(--hair-2);
  border-radius: 999px;
  padding: .28em .8em .28em .7em;
  font-family: var(--serif);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .08em;
}
.TagLabel .TagLabel-text { display: inline-flex; align-items: center; gap: 6px; }
.TagLabel .TagLabel-text, .TagLabel .TagLabel-name, .TagLabel.text-contrast--light, .TagLabel.text-contrast--dark { color: var(--ink-2) !important; }
.TagLabel .TagLabel-icon { display: none; }
.TagLabel .TagLabel-text::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--tag-real, var(--ink-3)); }
.TagsLabel { display: inline-flex; gap: 6px; }
.TagsLabel .TagLabel:not(:first-child) { margin-left: 0; }

.Badge {
  --badge-bg: var(--ink-2);
  width: 20px; height: 20px;
  border-radius: 6px;
  font-size: 10px;
  line-height: 20px;
  box-shadow: 0 0 0 2px var(--body-bg);
}
.Badge--sticky { --badge-bg: var(--seal) !important; }
.Badge--locked { --badge-bg: var(--ink-3) !important; }
.Badge--bestAnswer { --badge-bg: #5b7553 !important; }

/* ------------------------------------------------------------------ 讨论页 */

.DiscussionHero { padding: clamp(40px, 8vh, 84px) 0 clamp(26px, 4vh, 40px); border-bottom: 1px solid var(--ink); margin-bottom: 0; }
.DiscussionHero .container { max-width: 1240px; }
.DiscussionHero-items { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.DiscussionHero-items > li { margin: 0 !important; }
.DiscussionHero .item-title { order: 3; }
.Hero .DiscussionHero-title {
  display: block;
  margin: 0;
  max-width: 22em;
  font-size: clamp(30px, 3.8vw, 56px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .02em;
  text-align: left;
  color: var(--ink) !important;
  text-wrap: balance;
}
.DiscussionHero-badges .Badge { box-shadow: none; }
.DiscussionHero .TagLabel { font-size: 12.5px; }

.DiscussionPage-nav > ul { top: calc(var(--header-height) + 28px); }
.PostStreamScrubber .Dropdown-toggle, .Scrubber { font-family: var(--mono); }
.Scrubber-scrollbar { margin: 14px 0 14px 4px; }
.Scrubber-before, .Scrubber-after { border-left: 1px solid var(--hair-2); }
.Scrubber-handle { background: transparent; }
.Scrubber-bar { background: var(--ink); width: 3px; border-radius: 3px; }
.Scrubber-info { font-size: 12px; }
.Scrubber-info strong { font-family: var(--mono); font-weight: 500; color: var(--ink); }
.Scrubber-info .Scrubber-description { color: var(--ink-3); }
.Scrubber-first, .Scrubber-last { font-size: 12.5px; letter-spacing: .08em; color: var(--ink-3); }
.Scrubber-unread { color: var(--seal); }

.PostStream { padding-top: 12px; }
.PostStream-item { border-bottom: 1px solid var(--hair); }
.PostStream-item:last-child { border-bottom: 0; }
.Post { padding: 30px 0 22px 66px; margin: 0; border-radius: 0; }
.Post-header { margin-bottom: 12px; color: var(--ink-3); }
.Post-header .PostUser-avatar { left: -66px; --size: 44px; font-size: 19px; border-radius: 9px; margin-top: -6px; }
.PostUser-name { font-size: 15.5px; font-weight: 600; letter-spacing: .04em; }
.PostUser-name a { color: var(--ink); }
.Post-header .item-meta, .Post-header time { font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: var(--ink-3); }
.Post-header .PostUser-badges { left: 34px; top: 26px; }
.Post--by-start-user .PostUser-name::after { content: '楼主'; margin-left: 8px; padding: 1px 7px; border: 1px solid var(--hair-2); border-radius: 999px; font-size: 10.5px; font-weight: 400; color: var(--ink-3); letter-spacing: .1em; vertical-align: 1px; }

.Post-body {
  font-size: 16.5px;
  line-height: 1.95;
  letter-spacing: .02em;
  color: var(--ink);
  overflow-wrap: break-word;
}
.Post-body p, .Post-body ul, .Post-body ol, .Post-body blockquote, .Post-body pre { margin-bottom: 1em; }
.Post-body h1, .Post-body h2, .Post-body h3 { font-weight: 600; letter-spacing: .03em; margin: 1.6em 0 .6em; }
.Post-body h2 { font-size: 22px; } .Post-body h3 { font-size: 18.5px; }
.Post-body a { color: var(--ink); background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat, linear-gradient(var(--hair-2), var(--hair-2)) 0 100% / 100% 1px no-repeat; transition: background-size .5s var(--ease); }
.Post-body a:hover { background-size: 100% 1px, 100% 1px; }
.Post-body strong { font-weight: 600; }
.Post-body blockquote { padding: .2em 0 .2em 1.3em; border: 0; border-left: 1px solid var(--ink); border-radius: 0; background: transparent; color: var(--ink-2); font-size: .97em; }
.Post-body code, .Post-body :not(pre) > code { font-family: var(--mono); font-size: .84em; padding: .12em .42em; border-radius: 4px; background: var(--paper-2); color: var(--ink); box-shadow: inset 0 0 0 1px var(--hair); }
.Post-body pre { padding: 18px 20px; border-radius: 10px; background: #15171a; color: #e7e3da; font-size: 13px; line-height: 1.75; overflow-x: auto; }
.Post-body pre code { padding: 0; background: none; box-shadow: none; color: inherit; font-size: inherit; }
:root[data-theme="dark"] .Post-body pre { background: #171a1e; box-shadow: inset 0 0 0 1px var(--hair); }
.Post-body pre .hljs-keyword, .Post-body pre .hljs-built_in, .Post-body pre .hljs-selector-tag { color: #f0866b; }
.Post-body pre .hljs-string, .Post-body pre .hljs-attr { color: #d8c48f; }
.Post-body pre .hljs-number, .Post-body pre .hljs-literal { color: #9fc0d6; }
.Post-body pre .hljs-comment { color: #858179; font-style: italic; }
.Post-body pre .hljs-title, .Post-body pre .hljs-type { color: #f2efe8; }
.Post-body ul { padding-left: 1.4em; list-style: none; }
.Post-body ul > li { position: relative; }
.Post-body ul > li::before { content: ''; position: absolute; left: -1em; top: .85em; width: 5px; height: 5px; border-radius: 50%; background: var(--ink); }
.Post-body ol { padding-left: 1.6em; }
.Post-body ol > li::marker { font-family: var(--mono); font-size: .8em; color: var(--ink-3); }
.Post-body img { border-radius: 6px; }
.Post-body table td, .Post-body table th { border-color: var(--hair-2); }

.UserMention, .PostMention { padding: 0 2px; border-radius: 3px; background: transparent !important; color: var(--seal) !important; font-weight: 600; }
.PostMention::before { color: var(--seal); }
.PostMention:hover, .UserMention:hover { background: rgba(194, 58, 34, .08) !important; }
.Post-actions .Button, .Post-controls .Dropdown-toggle { color: var(--ink-3); border-radius: 999px; font-size: 13px; letter-spacing: .1em; }
.Post-actions .Button:hover { color: var(--ink); background: var(--paper-2); }
.Post-footer, .Post-likedBy, .Post-mentionedBy { font-size: 13px; color: var(--ink-3); }
.Post-likedBy .icon, .Post-mentionedBy .icon { color: var(--seal); }
.Post-likedBy a, .Post-mentionedBy a { color: var(--ink-2); font-weight: 600; }

/* 最佳回答：左边一道朱线 */
.Post--bestAnswer { box-shadow: inset 2px 0 0 var(--seal); padding-left: 82px; }
.Post--bestAnswer .Post-header .PostUser-avatar { left: -66px; }
.Post { position: relative; }
.BestAnswer, .CommentPost--bestAnswer .Post-body + * { border-radius: 10px; }
.BestAnswerPost, .Post .BestAnswer-label { color: var(--seal); }

/* fof/best-answer 原本的绿色，换成纸与朱 */
.Badge--bestAnswer { background-color: var(--seal) !important; }
.Post--BestAnswer { background: transparent !important; border: 1px solid var(--seal); border-radius: 999px; padding: 2px 10px; font-size: 11.5px; letter-spacing: .08em; }
.Post--BestAnswer, .Post--BestAnswer a { color: var(--seal) !important; }
.Post-footer .item-bestAnswerPost { padding: 18px 20px 6px; margin-top: 24px; border-radius: 12px; background: var(--paper-2) !important; box-shadow: inset 2px 0 0 var(--seal); }
.Post-footer .item-bestAnswerPost .Post-body { color: var(--ink) !important; font-size: 15px; }
.Button-jumpBestAnswer { background: var(--ink) !important; color: var(--paper) !important; border-radius: 999px; }
.Button-jumpBestAnswer:hover { background: var(--seal) !important; color: #fff !important; }

/* 返回列表的按钮 */
.Header-navigation .Button { border: 1px solid var(--hair-2) !important; border-radius: 50% !important; background: transparent !important; color: var(--ink-2) !important; }
 @media (max-width: 767.98px) {
  .App-backControl > .Button, .App-primaryControl > .Button, .App-titleControl > .Button { border: 0 !important; color: var(--ink) !important; background: transparent !important; }
}
.Header-navigation { margin: 0 18px 0 22px; display: flex; align-items: center; height: var(--header-height); }

/* 事件（置顶、锁定、改标题……） */
.EventPost { padding: 16px 0 16px 66px; font-size: 13.5px; color: var(--ink-3); }
.EventPost-icon { color: var(--ink-3); left: 14px; }
.EventPost-info .username { color: var(--ink-2); font-weight: 600; }

/* 回复框 */
.ReplyPlaceholder { padding: 26px 0 26px 66px; }
.ReplyPlaceholder .Post-header { color: var(--ink-3); font-size: 15px; letter-spacing: .08em; }
.ReplyPlaceholder:hover { background: transparent; }
.ReplyPlaceholder:hover .Post-header { color: var(--ink); }

/* ------------------------------------------------------------------ 编辑器 */

.Composer { background: var(--paper-lift); border-radius: 16px 16px 0 0; box-shadow: var(--shade), 0 0 0 1px var(--hair) !important; }
.Composer-handle { height: 14px; }
.ComposerBody-header input, .ComposerBody-header .FormControl { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: .03em; }
.TextEditor-editor { font-family: var(--serif); font-size: 16px; line-height: 1.85; color: var(--ink); }
.TextEditor-controls { border-top: 1px solid var(--hair); }
.TextEditor-toolbar .Button { color: var(--ink-3); }
.TextEditor-toolbar .Button:hover { color: var(--ink); }
.ComposerBody-avatar.Avatar { border-radius: 10px; }

/* ------------------------------------------------------------------ 按钮、菜单、弹窗 */

.Button { border-radius: 999px; font-family: var(--serif); letter-spacing: .08em; transition: background-color .3s, color .3s, border-color .3s, box-shadow .3s; }
.Button--primary { font-weight: 600; }
.Button--icon { border-radius: 50%; }
.Button--link { background: transparent; }
.ButtonGroup > .Button:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.ButtonGroup > .Button:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.ButtonGroup > .Button + .Button { margin-left: 1px; }

.Dropdown-menu {
  padding: 8px 0;
  border: 0;
  border-radius: 14px;
  background: var(--paper-lift);
  box-shadow: var(--shade), 0 0 0 1px var(--hair);
}
.Dropdown-menu > li > a, .Dropdown-menu > li > button { padding: 9px 18px; font-size: 14px; letter-spacing: .06em; color: var(--ink); }
.Dropdown-menu > li > a:hover, .Dropdown-menu > li > button:hover { background: var(--paper-2); }
.Dropdown-menu > li.active > a, .Dropdown-menu > li.active > button { font-weight: 600; }
.Dropdown-menu > li > a .Button-icon, .Dropdown-menu > li > button .Button-icon { color: var(--ink-3); }
.Dropdown-header { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }

.ModalManager.fade.in, .modal-backdrop { -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.Modal-content { border: 0; border-radius: 18px; background: var(--paper-lift); box-shadow: var(--shade), 0 0 0 1px var(--hair); }
.Modal-header { padding: 34px 36px 6px; background: transparent; border: 0; text-align: left; }
.Modal-header h3 { font-size: 26px; font-weight: 600; letter-spacing: .06em; color: var(--ink); }
.Modal-body { padding: 18px 36px 30px; background: transparent; }
.Modal-footer { padding: 18px 36px 28px; background: transparent; border-top: 1px solid var(--hair); color: var(--ink-3); }
.Modal-footer a { color: var(--ink); border-bottom: 1px solid var(--hair-2); }
.Modal-close .Button { color: var(--ink-3); }
.Form-group { margin-bottom: 14px; }
.Form-group > label, .Form-group .label { font-size: 13px; letter-spacing: .1em; color: var(--ink-2); }
.FormControl {
  height: 46px;
  border: 0;
  border-bottom: 1px solid var(--hair-2);
  border-radius: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 15.5px;
  color: var(--ink);
  padding-left: 2px;
  box-shadow: none;
  transition: border-color .3s;
}
textarea.FormControl { height: auto; }
.FormControl::placeholder { color: var(--ink-4); letter-spacing: .08em; }
.Modal .Button--primary.Button--block { height: 48px; margin-top: 10px; font-size: 15px; letter-spacing: .2em; }
.LogInButton, .LogInButtons .Button { border-radius: 999px; }
.Checkbox { color: var(--ink-2); }

.Alert { border-radius: 999px; padding: 12px 22px; box-shadow: var(--shade); font-size: 14px; letter-spacing: .06em; }
.Alert-controls .Button { color: inherit; }

.tooltip-inner { border-radius: 8px; font-family: var(--serif); font-size: 12.5px; letter-spacing: .06em; padding: 6px 12px; }

/* ------------------------------------------------------------------ 标签页、用户页 */

.TagTiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 0 0 32px; }
.TagTiles > li { width: auto !important; margin: 0 !important; float: none !important; }
@media (max-width: 991.98px) { .TagTiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 767.98px) { .TagTiles { grid-template-columns: minmax(0, 1fr); } }
.TagTile {
  --tag-real: var(--tag-bg);
  background: var(--paper-lift) !important;
  color: var(--ink) !important;
  border-radius: 16px;
  box-shadow: 0 0 0 1px var(--hair);
  transition: box-shadow .5s var(--ease), transform .6s var(--ease);
  overflow: hidden;
}
.TagTile::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--tag-real); }
.TagTile:hover { transform: translateY(-3px); box-shadow: var(--shade), 0 0 0 1px var(--hair-2); }
.TagTile-name { font-size: 22px; font-weight: 600; letter-spacing: .06em; }
.TagTile-name .icon { display: none; }
.TagTile-description { color: var(--ink-2); font-size: 14px; line-height: 1.75; }
.TagTile-lastPostedDiscussion { border-top: 1px solid var(--hair); color: var(--ink-3); font-family: var(--mono); font-size: 11.5px; }
.TagTile-lastPostedDiscussion-title { font-family: var(--serif); font-size: 13.5px; color: var(--ink-2); }
.TagTile .TagTile-info, .TagTile a { color: inherit !important; }
.TagCloud .TagLabel { margin: 0 4px 6px 0; }

.UserCard, .UserCard--profile { background: var(--paper-2) !important; color: var(--ink) !important; }
.UserCard .darkenBackground { background: transparent !important; }
.UserCard-profile .UserCard-identity { font-size: 30px; font-weight: 600; letter-spacing: .04em; }
.UserCard-avatar .Avatar { border-radius: 16px; box-shadow: 0 0 0 4px var(--paper); }
.UserCard-info, .UserCard-lastSeen { color: var(--ink-2); font-size: 13.5px; }
.UserCard .Dropdown-toggle { background: var(--paper-3) !important; color: var(--ink) !important; }

.NotificationList-header, .NotificationList .Notification-content { font-size: 13.5px; }
.Notification.unread { background: rgba(194, 58, 34, .06); }

/* 回到顶部 / 底部（datlechin/flarum-scroll-buttons） */
.scroll-buttons .Button, [class*="ScrollButton"] .Button, .ScrollToTop, .ScrollToBottom { border-radius: 50%; background: var(--paper-lift); color: var(--ink); box-shadow: var(--shade), 0 0 0 1px var(--hair); }

/* ------------------------------------------------------------------ 页脚：由 forum.js 插入 */

.mm-foot {
  margin-top: 72px;
  padding: 26px 0 calc(32px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--hair);
  font-size: 12.5px;
  color: var(--ink-3);
}
.mm-foot .container { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 28px; }
.mm-foot a { color: var(--ink-3); }
.mm-foot a:hover { color: var(--ink); }
.mm-foot__sign { display: inline-flex; align-items: center; gap: 10px; }
.mm-foot__sign::before { content: ''; width: 10px; aspect-ratio: 100 / 186; background: var(--seal); -webkit-mask: url(/assets/img/seal.svg) center / contain no-repeat; mask: url(/assets/img/seal.svg) center / contain no-repeat; }
.mm-foot__beian { display: flex; flex-wrap: wrap; gap: 4px 18px; }

/* ------------------------------------------------------------------ 窄屏 */

@media (max-width: 991.98px) {
  .mm-sitenav { display: none; }
  .WelcomeHero .containerNarrow { grid-template-columns: minmax(0, 1fr); }
  .WelcomeHero .containerNarrow::before { grid-row: auto; margin-bottom: 18px; }
}
@media (max-width: 767.98px) {
  .App-navigation, .App-header { background: var(--veil); }
  .Header-title { margin: 0; font-size: 17px; }
  .DiscussionListItem-content { padding: 18px 54px 18px 52px; }
  .DiscussionListItem-author .Avatar { --size: 34px; font-size: 15px; }
  .DiscussionListItem-title { font-size: 17px; }
  .Post { padding-left: 0; }
  .Post-header .PostUser-avatar { position: static; display: inline-flex; --size: 30px; font-size: 14px; margin: 0 8px 0 0; vertical-align: middle; border-radius: 7px; }
  .Post--bestAnswer { padding-left: 14px; }
    .EventPost, .ReplyPlaceholder { padding-left: 0; }
  .App-drawer { background: var(--paper); }
  .WelcomeHero .containerNarrow::before { font-size: 84px; }
  .Composer { border-radius: 0; }
}

/* ------------------------------------------------------------------ 昼夜切换的晕开（与主站相同） */

@property --vt-r { syntax: '<length>'; inherits: false; initial-value: 0px; }
:root.is-theming::view-transition-old(root), :root.is-theming::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
:root.is-theming::view-transition-new(root) {
  -webkit-mask-image: radial-gradient(circle at var(--vt-x, 50%) var(--vt-y, 0px), #000 calc(var(--vt-r) - 180px), transparent var(--vt-r));
  mask-image: radial-gradient(circle at var(--vt-x, 50%) var(--vt-y, 0px), #000 calc(var(--vt-r) - 180px), transparent var(--vt-r));
}