/* ============================================================
   站点一：雁城中学校友网（2016 旧官网质感）
   锐角 / 浅蓝灰 / 1px 边框 / 硬阴影 / 表格感 / 低饱和
   保留 app.js 依赖的旧类名，仅重写视觉
   ============================================================ */

@import url("tokens.css");

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
button { font: inherit; color: inherit; padding: 0; border: none; background: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a, button, [role="button"] { -webkit-tap-highlight-color: transparent; }

body.site {
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
  background: var(--paper-blue);
}

.site {
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: 70px;
  background: var(--paper-blue-2);
  border-left: 1px solid var(--line-blue);
  border-right: 1px solid var(--line-blue);
  min-height: 100vh;
}

/* 顶部横幅：仿校务系统 */
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: #35506e;
  color: #dfe8f2;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; color: #dfe8f2; }
.topbar .brand b {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border: 2px solid #dfe8f2;
  border-radius: 50%;
  font-size: 13px; font-family: var(--font-song); font-weight: 700;
}
.topbar .brand strong { font-size: 16px; letter-spacing: 0.18em; font-weight: 700; display: block; }
.topbar .brand small { display: block; font-size: 10px; letter-spacing: 0.3em; color: #aebfd2; font-family: var(--font-mono); }
.topbar .account {
  margin-left: auto;
  font-size: 12px;
  color: #aebfd2;
  font-family: var(--font-mono);
}
.topbar .account i { color: var(--green-on); font-style: normal; }
.topbar .account button { color: #dfe8f2; margin-left: 6px; }
.topbar .account button:hover { text-decoration: underline; }

/* 二级信息条 */
.utility {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 16px;
  background: #eef2f7;
  border-bottom: 1px solid var(--line-blue);
  font-size: 11px;
  color: var(--faint-blue);
  font-family: var(--font-mono);
}
.utility button { color: var(--faint-blue); font-size: 11px; font-family: var(--font-mono); }
.utility button:hover { color: var(--brick); }

/* 大标题区 */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 26px 18px 22px;
  border-bottom: 1px solid var(--line-blue);
}
.masthead p { margin: 0; color: var(--faint-blue); font-size: 12px; letter-spacing: 0.2em; }
.masthead h1 {
  margin: 6px 0 8px;
  font-size: 28px;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.masthead em { color: var(--ink-soft); font-size: 13px; font-style: normal; }
.masthead .stamp {
  flex: none;
  width: 76px; height: 76px;
  display: grid;
  place-content: center;
  text-align: center;
  border: 2px solid var(--seal);
  border-radius: 50%;
  color: var(--seal);
  transform: rotate(-6deg);
  opacity: 0.8;
}
.masthead .stamp b { font-size: 20px; font-family: var(--font-mono); }
.masthead .stamp small { display: block; font-size: 9px; letter-spacing: 0.1em; }

/* 主导航 */
nav { display: flex; background: #43607f; border-bottom: 1px solid #2c4259; }
nav button {
  padding: 9px 22px;
  color: #dfe8f2;
  font-size: 13px;
  letter-spacing: 0.14em;
  border-right: 1px solid rgba(255,255,255,0.08);
}
nav button:hover { background: #35506e; }
nav button.active { background: #2c4259; }

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  padding: 18px;
}
aside { padding-right: 18px; border-right: 1px solid var(--line-blue); }
aside section {
  padding: 12px 14px;
  margin-bottom: 14px;
  background: #fff;
  border: 1px solid var(--line-blue);
}
aside section > label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--faint-blue);
  border-left: 3px solid var(--brick);
  padding-left: 8px;
}
aside .count { font-size: 22px; color: var(--ink); font-family: var(--font-mono); }
aside .count small { font-size: 12px; color: var(--faint); font-family: var(--font-ui); }
aside .progress {
  height: 4px;
  margin: 8px 0;
  background: var(--line-blue);
}
aside .progress i {
  display: block;
  height: 100%;
  width: 53%;
  background: var(--brick);
}
aside section p { margin: 6px 0 0; font-size: 11px; color: var(--faint-blue); font-family: var(--font-mono); }
.side-links button {
  display: flex;
  width: 100%;
  justify-content: space-between;
  padding: 7px 8px;
  font-size: 12px;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--line-blue);
}
.side-links button:hover { background: rgba(156,59,46,0.05); color: var(--brick); }
.side-links button b { color: var(--faint-blue); font-family: var(--font-mono); }

.content { padding-left: 18px; }
.content[hidden] { display: none; }

.heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 4px 0 12px;
  padding: 7px 12px;
  background: #eef2f7;
  border-left: 4px solid var(--brick);
}
.heading h2 { font-size: 15px; letter-spacing: 0.14em; color: var(--ink); }
.heading span { font-size: 11px; color: var(--faint-blue); font-family: var(--font-mono); }

/* 通知公告：仿公文 */
.notice {
  padding: 16px;
  margin-bottom: 16px;
  background: #fff;
  border: 1px solid var(--line-blue);
}
.notice > div { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.notice > div span { color: var(--brick); font-size: 14px; }
.notice > div p { margin: 0; font-size: 11px; color: var(--faint-blue); letter-spacing: 0.2em; }
.notice h2 { margin: 0 0 8px; font-size: 17px; color: var(--ink); letter-spacing: 0.08em; }
.notice p { margin: 0 0 6px; color: var(--ink-soft); }
.notice small { color: var(--faint-blue); font-size: 11px; font-family: var(--font-mono); }

/* 已确认出席：名单表（仿校务表格） */
.people {
  border: 1px solid var(--line-blue);
  background: #fff;
}
.people .person {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-blue);
}
.people .person:last-child { border-bottom: none; }
.people .person:hover { background: rgba(156,59,46,0.04); }
.people .person.gray-entry { background: #f4f5f7; }
.people .portrait {
  position: relative;
  width: 44px; height: 44px;
  border: 1px solid var(--line-2);
  display: grid;
  place-items: center;
  background: #e7ecf2;
}
.people .portrait i { width: 9px; height: 9px; border-radius: 50%; opacity: 0.5; }
.people .portrait.rose i { background: #c98a9b; }
.people .portrait.blue i { background: #7d8aa0; }
.people .portrait.gold i { background: #c2a45a; }
.people .portrait.green i { background: #7a9a6b; }
.people .portrait.gray i { background: #b9b2a0; }
.people .person span b { display: block; font-size: 14px; color: var(--ink); }
.people .person span small { display: block; font-size: 11px; color: var(--faint-blue); font-family: var(--font-mono); }
.people .person span em { display: block; font-size: 12px; color: var(--ink-soft); font-style: normal; margin-top: 2px; }

/* 博客入口卡 */
.diary-link { margin-top: 16px; }
.diary-link button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 14px;
  padding: 16px;
  color: inherit;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line-blue);
  border-left: 3px solid var(--brick);
  cursor: pointer;
  font: inherit;
}
.diary-link button:hover { background: rgba(156,59,46,0.04); }
.diary-link button:focus-visible { outline: 2px solid var(--brick); outline-offset: 3px; }
.diary-link b { font-size: 22px; color: var(--brick); }
.diary-link span { display: grid; gap: 4px; }
.diary-link small { font-size: 11px; color: var(--faint-blue); letter-spacing: 0.14em; }
.diary-link strong { font-size: 16px; color: var(--ink); letter-spacing: 0.08em; }
.diary-link em { color: var(--ink-soft); font-size: 12px; font-style: normal; }
.diary-link i { margin-left: auto; color: var(--brick); font-size: 16px; }

/* 旧校档案 */
.archives { display: flex; flex-direction: column; gap: 16px; }
.archive {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line-blue);
}
.archive > p { margin: 0 0 6px; font-size: 11px; color: var(--faint-blue); letter-spacing: 0.2em; }
.archive h2 { margin: 0 0 12px; font-size: 16px; color: var(--ink); letter-spacing: 0.08em; }
.legacy-index { background: #f8fafc; }
.legacy-index > p:not(:first-child) { margin: 0; color: var(--ink-soft); font-size: 12px; }
.legacy-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.legacy-actions button { padding: 6px 10px; color: #49677f; border: 1px solid var(--line-blue); background: #fff; font-size: 12px; }
.legacy-actions button:hover { color: var(--brick); border-color: var(--brick); }

/* 站内残留词句：正文永远在上，词云只像旧纸背面透出的字 */

.incident-chain { position: relative; overflow: hidden; }
.incident-chain > :not(.archive-whispers) { position: relative; z-index: 1; }
.archive-whispers { color: rgba(73, 103, 127, 0.22); font-family: var(--font-ui); }
.archive-whispers .whisper-word { letter-spacing: 0.06em; }

/* 教室照片（手绘旧照） */
.classroom {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-2);
  overflow: hidden;
  background: #e7ecf2;
}
.classroom-photo {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.82) contrast(0.95) sepia(0.06) brightness(1.02);
}
/* 未解锁前压暗，像受损旧照 */
.classroom:not(.marked) .classroom-photo { filter: saturate(0.5) contrast(0.9) brightness(0.78) sepia(0.1); }
.photo-whispers { z-index: 1; color: rgba(143, 43, 37, 0.52); font-family: var(--font-ui); opacity: 0 !important; transition: opacity 0.8s ease; }
.classroom.marked .photo-whispers.show { opacity: 0.14 !important; }
.classroom:hover .photo-whispers.show,
.classroom:focus-within .photo-whispers.show { opacity: 0.7 !important; }
@media (hover: none) {
  .classroom.marked .photo-whispers.show { opacity: 0.46 !important; }
}
.photo-whispers .whisper-word { letter-spacing: 0.04em; }
.classroom .photo-reveal {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  cursor: pointer;
  background: transparent;
  border: 0;
  color: #665f53;
}
.classroom .photo-reveal > span {
  position: absolute;
  right: 5%; bottom: 6%;
  padding: 7px 10px;
  border: 1px dashed rgba(103, 94, 80, 0.56);
  background: rgba(250, 247, 236, 0.64);
  font-family: var(--font-kai);
  font-size: 13px;
  line-height: 1.35;
  text-align: left;
  transform: rotate(-2deg);
  transition: background 0.25s ease, color 0.25s ease;
}
.classroom .photo-reveal small { color: var(--faint-blue); font-family: var(--font-ui); font-size: 10px; letter-spacing: 0.06em; }
.classroom .photo-reveal:hover > span,
.classroom .photo-reveal:focus-visible > span { color: var(--brick); background: rgba(255, 252, 244, 0.9); }
.classroom .photo-reveal:focus-visible { outline: 2px solid var(--brick); outline-offset: -5px; }
.classroom.marked .photo-reveal { display: none; }
.classroom .photo-trail {
  position: absolute;
  left: 4%; top: 5%; z-index: 2;
  margin: 0;
  padding: 4px 7px;
  color: rgba(103, 94, 80, 0.82);
  background: rgba(250, 247, 236, 0.58);
  font-family: var(--font-kai);
  font-size: 11px;
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity .5s ease, transform .5s ease;
  pointer-events: none;
}
.classroom.marked .photo-trail { opacity: 1; transform: translateY(0); }
.classroom .hotspot {
  position: absolute;
  width: 14%; min-width: 68px; height: 15%; min-height: 44px;
  cursor: pointer;
  color: rgba(113, 67, 56, 0.78);
  background: rgba(250, 247, 236, 0.12);
  border: 1px dashed rgba(133, 92, 75, 0.52);
  border-radius: 2px;
  z-index: 3;
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.12em;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity .45s ease, transform .45s ease, background .2s ease, border-color .2s ease;
}
.classroom.marked .hotspot { opacity: 1; transform: scale(1); }
.classroom.marked .hotspot:nth-of-type(4) { transition-delay: .12s; }
.classroom.marked .hotspot:nth-of-type(5) { transition-delay: .24s; }
.classroom.marked .hotspot:nth-of-type(6) { transition-delay: .36s; }
.classroom .hotspot span { display: inline-block; padding: 3px 5px; background: rgba(250, 247, 236, 0.66); }
.classroom .hotspot:focus-visible,
.classroom .hotspot:hover { outline: 2px solid var(--brick); outline-offset: 2px; color: var(--brick); background: rgba(156,59,46,0.14); border-color: var(--brick-soft); }
/* 新教室记录照中的实体位置：左侧储物柜、左中后门、右侧讲台、讲台后方前门。 */
.classroom .spot-door { top: 29%; left: 33%; width: 10%; height: 41%; }
.classroom .spot-podium { right: 3%; bottom: 4%; width: 16%; height: 34%; }
.classroom .spot-locker { top: 33%; left: 12%; width: 18%; height: 40%; }
.classroom .spot-frontdoor { top: 29%; right: 19%; width: 11%; height: 39%; }
.classroom:not(.marked) .hotspot { display: none; }
/* 记忆住在地点里：点过照片后，角落浮出深浅不一的旧痕迹——越重的记忆，沉在越暗处 */
.classroom.marked .spot-door { box-shadow: 0 0 14px 1px rgba(156,59,46,0.30); }
.classroom.marked .spot-podium { box-shadow: 0 0 12px 1px rgba(156,59,46,0.22); }
.classroom.marked .spot-locker { box-shadow: 0 0 10px 1px rgba(156,59,46,0.14); }
.classroom.marked .spot-frontdoor { box-shadow: 0 0 8px 1px rgba(156,59,46,0.06); }
.classroom small { display: block; margin-top: 10px; color: var(--faint-blue); font-size: 11px; font-family: var(--font-mono); }

.archive.records table { width: 100%; border-collapse: collapse; font-size: 12px; }
.archive.records th, .archive.records td {
  border: 1px solid var(--line-blue);
  padding: 7px 10px;
  text-align: left;
}
.archive.records th { background: #eef2f7; color: var(--faint-blue); font-weight: 400; width: 70px; }
.archive.records td { color: var(--ink-soft); }
.archive.records > div {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-blue);
}
.archive.records > div b { color: var(--ink); }
.archive.records > div span { display: block; color: var(--ink-soft); margin: 4px 0; }
.archive.records > div small { color: var(--faint-blue); font-size: 11px; }
.incident-chain { background: #f8fafc; }
.incident-chain > p { margin: 0 0 4px; color: var(--faint-blue); font-size: 10px; letter-spacing: 0.16em; }
.incident-chain h3 { margin: 0 0 8px; font-size: 14px; color: var(--ink); }
.incident-chain ol { margin: 0; padding: 0; list-style: none; }
.incident-chain li { display: grid; grid-template-columns: 78px 1fr; gap: 8px; padding: 7px 0; border-top: 1px dashed var(--line-blue); }
.incident-chain time { color: var(--faint-blue); font-family: var(--font-mono); font-size: 10px; }
.incident-chain li span { margin: 0; font-size: 12px; line-height: 1.65; }
.incident-chain li b { font-weight: 700; }

.site-guide { margin: 0 0 18px; }
.archive-puzzle { margin-top: 14px; padding: 12px; background: #f8fafc; border: 1px dashed var(--line-blue); }
.archive-puzzle p { margin: 0 0 4px; color: var(--faint-blue); font-size: 10px; letter-spacing: 0.16em; }
.archive-puzzle b, .archive-puzzle span { display: block; }
.archive-puzzle span { margin-top: 5px; color: var(--ink-soft); font-size: 12px; line-height: 1.65; }
.archive-puzzle button { margin-top: 10px; padding: 6px 10px; color: var(--brick); border: 1px solid var(--brick-soft); background: #fff; font-size: 12px; }
.archive-puzzle button:hover { color: #fff; background: var(--brick); }
.timeline-check { margin-top: 14px; padding: 12px; border: 1px dashed var(--line-blue); background: #f8fafc; }
.timeline-check p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.65; }
.timeline-check .audit-kicker { margin-bottom: 4px; color: var(--faint-blue); font-size: 10px; letter-spacing: 0.16em; }
.timeline-check h3 { margin: 0 0 7px; color: var(--ink); font-size: 14px; }
.audit-cards { display: grid; gap: 7px; margin-top: 12px; }
.audit-card { display: grid; gap: 3px; width: 100%; padding: 9px 10px; color: var(--ink-soft); text-align: left; background: #fff; border: 1px solid var(--line-blue); font: inherit; cursor: pointer; }
.audit-card:hover { border-color: var(--brick-soft); background: rgba(156,59,46,0.04); }
.audit-card:focus-visible { outline: 2px solid var(--brick); outline-offset: 2px; }
.audit-card small { color: var(--faint-blue); font-family: var(--font-mono); font-size: 10px; }
.audit-card b { color: var(--brick); font-family: var(--font-mono); font-size: 11px; font-weight: 400; }
.audit-card span { font-size: 12px; line-height: 1.55; }
.audit-card.accepted, .audit-card:disabled { color: #7b8c78; border-color: #aeb9aa; background: #f3f6f0; cursor: default; }
.audit-status { min-height: 1.65em; margin-top: 10px !important; color: var(--brick) !important; }
.audit-conclusion { color: var(--brick) !important; }
.evidence-check { margin-top: 14px; padding: 12px; border: 1px dashed var(--line-blue); background: #f8fafc; }
.evidence-check > p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.65; }
.evidence-check .evidence-kicker { margin-bottom: 4px; color: var(--faint-blue); font-size: 10px; letter-spacing: 0.16em; }
.evidence-check h3 { margin: 0 0 7px; color: var(--ink); font-size: 14px; }
.evidence-cards { display: grid; gap: 7px; margin-top: 12px; }
.evidence-cards article { padding: 8px 10px; border-left: 2px solid #c9d3df; background: #fff; }
.evidence-cards small { color: var(--faint-blue); font-family: var(--font-mono); font-size: 10px; }
.evidence-cards p { margin: 4px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.evidence-options { display: grid; gap: 7px; margin-top: 12px; }
.evidence-options button { width: 100%; padding: 8px 10px; color: var(--ink-soft); text-align: left; background: #fff; border: 1px solid var(--line-blue); font: inherit; font-size: 12px; line-height: 1.55; cursor: pointer; }
.evidence-options button:hover { border-color: var(--brick-soft); background: rgba(156,59,46,0.04); }
.evidence-options button:focus-visible { outline: 2px solid var(--brick); outline-offset: 2px; }
.evidence-status { min-height: 1.65em; margin-top: 10px !important; color: var(--brick) !important; }
.evidence-conclusion { color: var(--brick) !important; }

/* 失物招领：读过对应日记后，日期注记显现（跨站闭环） */
.archive.records > div span.lost-item { margin: 0; padding: 3px 0; }
.archive.records > div span.lost-item + .lost-item { border-top: 1px dashed var(--line-blue); }
.archive.records > div span.lost-item i { display: block; font-style: normal; color: var(--brick); font-size: 11px; letter-spacing: 0.04em; }

/* 苏念日志备份 */
.archive.blog .blog-body { display: grid; grid-template-columns: 200px 1fr; gap: 16px; }
.archive.blog header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.archive.blog header p { margin: 0; font-size: 11px; color: var(--faint-blue); letter-spacing: 0.14em; }
.archive.blog header span { font-size: 11px; color: var(--faint-blue); font-family: var(--font-mono); }
.archive.blog ol { margin: 0; padding: 0; list-style: none; border-right: 1px dashed var(--line-blue); }
.archive.blog li button {
  display: block; width: 100%; text-align: left;
  padding: 8px 10px; border-left: 2px solid transparent;
}
.archive.blog li button:hover { background: rgba(156,59,46,0.04); }
.archive.blog li button.selected { background: rgba(156,59,46,0.07); border-left-color: var(--brick); }
.archive.blog li button small { display: block; font-size: 11px; color: var(--faint-blue); font-family: var(--font-mono); }
.archive.blog li button.selected small { color: var(--brick); }
.archive.blog .entry small { color: var(--faint-blue); font-size: 11px; font-family: var(--font-mono); }
.archive.blog .entry h3 { margin: 4px 0 10px; font-size: 18px; color: var(--ink); font-family: var(--font-kai); }
.archive.blog .entry p { margin: 0 0 8px; }
.archive.blog .entry em { color: var(--brick); font-style: normal; font-size: 12px; letter-spacing: 0.08em; }
.archive.blog .entry hr { border: none; border-top: 1px dashed var(--line-blue); margin: 14px 0; }
.archive.blog .entry #leaveWord {
  padding: 6px 16px; color: #fff; background: var(--brick); font-size: 12px; letter-spacing: 0.1em;
}

/* 留言板 */
.message .comments p {
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-blue);
  font-size: 13px;
  color: var(--ink-soft);
}
.message .comments p b { color: var(--brick); font-weight: 400; margin-right: 8px; }
.message .comments .she-will-come { background: rgba(147,171,140,0.12); }
.message form { margin-top: 16px; }
.message form label { display: block; margin-bottom: 6px; font-size: 12px; color: var(--faint-blue); letter-spacing: 0.14em; }
.message form textarea {
  display: block; width: 100%; height: 64px;
  padding: 8px 10px; font: inherit;
  background: #fbfcfe; border: 1px solid var(--line-2); border-radius: 0; resize: vertical;
}
.message form button {
  margin-top: 10px; padding: 7px 22px; color: #fff; background: var(--brick);
  font-size: 13px; letter-spacing: 0.2em; border-radius: 0;
}
.message form .error { display: inline-block; margin-left: 12px; color: var(--brick); font-size: 12px; }

.observer { margin-top: 20px; padding: 14px; background: #fff; border: 1px solid var(--line-blue); }
.observer p { margin: 0 0 6px; font-size: 12px; color: var(--faint-blue); letter-spacing: 0.14em; }
.observer span { color: var(--ink-soft); font-size: 13px; font-family: var(--font-mono); }
.observer .su-stat { margin: 8px 0 0; color: var(--ink-soft); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; }
.observer em { display: block; margin-top: 8px; color: var(--faint-blue); font-size: 11px; font-style: normal; }

/* 页脚 */
footer {
  margin: 0 18px;
  padding: 16px;
  text-align: center;
  color: var(--faint-blue);
  font-size: 11px;
  line-height: 1.9;
  border-top: 1px solid var(--line-blue);
  font-family: var(--font-mono);
}
footer .seal {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  border: 2px solid var(--seal);
  border-radius: 3px;
  color: var(--seal);
  font-family: var(--font-song);
  font-size: 11px;
  letter-spacing: 0.2em;
  transform: rotate(-3deg);
  opacity: 0.85;
}

/* 弹层 */
.modal-bg {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(18, 26, 38, 0.82);
}
.modal-bg.open { display: flex; }
.modal {
  position: relative;
  width: 380px;
  max-width: 92vw;
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-hard);
  text-align: center;
}
.modal .close {
  position: absolute;
  top: 8px; right: 12px;
  font-size: 22px;
  color: var(--faint-blue);
  line-height: 1;
}
.modal .close:hover { color: var(--brick); }
.modal .portrait.large {
  width: 64px; height: 64px;
  margin: 0 auto 12px;
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
  background: #e7ecf2;
}
.modal .portrait.large i { width: 12px; height: 12px; border-radius: 50%; opacity: 0.5; }
.modal .portrait.gray i { background: #b9b2a0; }
.modal p { margin: 4px 0; color: var(--faint-blue); font-size: 12px; letter-spacing: 0.1em; }
.modal h2 { margin: 4px 0; font-size: 20px; color: var(--ink); letter-spacing: 0.1em; }
.modal small { color: var(--ink-soft); font-size: 12px; }
.modal blockquote {
  margin: 14px 0;
  padding: 10px 14px;
  background: #f4f6f9;
  border-left: 3px solid var(--brick);
  color: var(--ink-soft);
  font-size: 13px;
}
.modal em { display: block; margin-top: 12px; color: var(--faint-blue); font-size: 11px; font-family: var(--font-mono); }
.modal .cross-work-note { margin-top: 12px; }
.modal .cross-work-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--brick);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 片段层（复用全局，蓝调底色） */
.fragment-layer.show { background: rgba(18, 26, 38, 0.8); }

/* 响应式 */
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  aside { padding-right: 0; border-right: none; border-bottom: 1px solid var(--line-blue); margin-bottom: 16px; }
  .content { padding-left: 0; }
  .archive.blog .blog-body { grid-template-columns: 1fr; }
  .archive.blog ol { border-right: none; border-bottom: 1px dashed var(--line-blue); margin-bottom: 12px; }
  .masthead { flex-direction: column; gap: 16px; }
  .masthead h1 { font-size: 24px; }
  .masthead .stamp { align-self: flex-end; }
  .topbar { flex-wrap: wrap; gap: 8px 10px; }
  .topbar .account { margin-left: 0; }
  nav { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  nav::-webkit-scrollbar { display: none; }
  nav button { flex: none; padding: 10px 16px; }
  .utility { flex-wrap: wrap; gap: 4px 10px; }
  .archive.records { overflow-x: auto; }
}

@media (max-width: 560px) {
  .classroom .photo-reveal > span { right: 4%; bottom: 5%; font-size: 12px; }
  .classroom .photo-trail { left: 3%; top: 4%; font-size: 10px; }
  .classroom .hotspot { min-width: 54px; min-height: 37px; font-size: 9px; }
}
.modal .close:focus-visible { outline: 2px solid var(--brick); outline-offset: 3px; }