/* ===========================================================================
   ChatMiao 首页 · 实验室版式（定稿）
   亮色 token 全部走 style.css 的 :root 变量；深色跟随系统（文件末尾一段）。
   对齐：内容列 1080px 居中（与导航/页脚同一列宽）；屏内左右 padding 20px。
   =========================================================================== */

main.home { max-width: none; padding: 0; }

/* 滚动浮现（克制版：淡入 + 上移 12px，不做视差/光效）
   ⚠️ 关键：默认必须是「可见」。隐藏态由 JS 主动加 .reveal-init 才生效，
   这样即便 JS 没加载/被缓存成旧版/浏览器不支持 IntersectionObserver，
   页面也一定完整可见 —— 绝不允许「内容可见性依赖 JS」。 */
.reveal-init { opacity: 0; transform: translateY(12px); }
.reveal-init.visible { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }
@media (prefers-reduced-motion: reduce) {
  .reveal-init, .reveal-init.visible { opacity: 1; transform: none; transition: none; }
}

.home-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.home-sec {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  background: var(--card);
}
.home-sec.sec-search { padding: 40px 0 44px; }
.home-sec.sec-pillars,
.home-sec.sec-timeline,
.home-sec.sec-guestbook { background: var(--bg); }

/* ---------- 屏 1 · Hero ---------- */
.home-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 72px;
  background: radial-gradient(115% 115% at 50% 26%, #ffe2ee 0%, var(--bg) 74%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr .98fr;
  gap: 48px;
  align-items: center;
}
.eyebrow-pill {
  display: inline-block;
  padding: 6px 15px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
}
.hero-title {
  margin: 18px 0 0;
  font-size: 3.6rem;
  line-height: 1.14;
  font-weight: 600;
  letter-spacing: -.035em;
  color: var(--text);
  white-space: pre-line;
}
/* 「喵一声」粉色光晕：大字号 → 半径大、透明度低，避免糊笔画 */
.hero-glow {
  color: var(--primary);
  text-shadow: 0 0 26px rgba(247, 143, 191, .20),
               0 0 54px rgba(247, 143, 191, .14);
}
.hero-sub {
  margin: 20px 0 0;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text);
  opacity: .78;
  max-width: 34em;
  white-space: pre-line;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-foot { margin: 18px 0 0; font-size: .85rem; color: var(--text-light); }

/* 服务器在线情况卡 */
.server-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px 22px 18px;
  box-shadow: var(--shadow);
}
.server-card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.server-card-title { font-size: .96rem; font-weight: 600; color: var(--text); }
.live-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .74rem; color: #2fbf9b;
  background: #e8fbf6; padding: 3px 10px; border-radius: 999px;
}
.live-badge i {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; display: inline-block;
}
.server-rows { display: flex; flex-direction: column; gap: 6px; }
.server-row { padding: 8px 0 4px; border-top: 1px solid var(--border); }
.server-row:first-child { border-top: none; padding-top: 2px; }
.server-row-top { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.server-name { font-size: .92rem; font-weight: 600; color: var(--text); }
.server-addr { font-size: .78rem; color: var(--text-light); margin-right: auto; }
.server-state { font-size: .84rem; color: var(--text-light); }
.server-state.on { color: var(--primary-dark); font-weight: 600; }
.server-state.on b { font-size: 1.05rem; }
.server-state.off { color: var(--danger); }
.spark { height: 46px; margin-top: 2px; }
.spark svg { display: block; width: 100%; height: 100%; overflow: visible; }
.spark-empty { font-size: .78rem; color: var(--text-light); }
.server-card-foot {
  display: inline-block; margin-top: 12px;
  font-size: .82rem; color: var(--primary-dark); text-decoration: none;
}
.server-card-foot:hover { color: var(--primary); }

/* ---------- 屏 2 · 搜索与分类 ---------- */
.search-bar {
  display: flex; align-items: center; gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 8px 8px 20px;
  box-shadow: var(--shadow);
  max-width: 760px; margin: 0 auto;
}
.search-icon { color: var(--text-light); flex-shrink: 0; }
.search-bar input {
  flex: 1; min-width: 0;
  border: none; outline: none; background: transparent;
  font-size: .98rem; color: var(--text);
  font-family: inherit;
}
.search-bar input::placeholder { color: var(--text-light); }
.cat-pills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 22px; }
.cat-pill {
  padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); opacity: .82;
  font-size: .86rem; text-decoration: none;
  transition: background .2s, color .2s, opacity .2s;
}
.cat-pill:hover { opacity: 1; border-color: var(--primary); }
.cat-pill.active { background: var(--primary); border-color: var(--primary); color: #fff; opacity: 1; }

/* ---------- 段落通用头 ---------- */
.sec-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; margin-bottom: 30px; flex-wrap: wrap;
}
.sec-eyebrow {
  margin: 0 0 8px;
  font-size: .74rem; font-weight: 600; letter-spacing: .14em;
  color: var(--primary-dark); text-transform: uppercase;
}
.sec-title {
  margin: 0;
  font-size: 2.4rem; line-height: 1.16; font-weight: 600;
  letter-spacing: -.028em; color: var(--text);
}
.sec-sign, .sec-count { font-size: .84rem; color: var(--text-light); }
.sec-count { white-space: nowrap; }
/* 段落头右侧的「统计 + 按钮」组合（屏 5 碎碎念墙）。
   必须裹一层：.sec-head 是 space-between，直接放两个子元素会被拆到左右两端。 */
.sec-head-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.muted { color: var(--text-light); }

/* ---------- 屏 3 · 最新文章 ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px 22px 18px;
  text-decoration: none; color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.post-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.chip {
  font-size: .74rem; padding: 3px 10px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary-dark); font-weight: 600;
}
.post-date { font-size: .78rem; color: var(--text-light); }
.post-title { margin: 2px 0 0; font-size: 1.14rem; line-height: 1.5; font-weight: 600; letter-spacing: -.01em; }
.post-excerpt {
  margin: 0; font-size: .92rem; line-height: 1.75; color: var(--text);
  opacity: .74; flex: 1;
}
.post-foot { margin: 4px 0 0; font-size: .78rem; color: var(--text-light); }

/* ---------- 屏 4 · 四大支柱 ---------- */
.pillar-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar {
  border-radius: 20px; padding: 22px 20px 20px;
  display: flex; flex-direction: column; gap: 9px;
  border: 1px solid transparent;
}
.pillar.pink   { background: #ffe4f0; }
.pillar.purple { background: #efeafe; }
.pillar.mint   { background: #e8fbf6; }
.pillar.cream  { background: #fff7fb; }
.pillar-icon { color: var(--primary-dark); line-height: 0; }
.pillar.purple .pillar-icon { color: #7a68d8; }
.pillar.mint .pillar-icon { color: #2fbf9b; }
.pillar h3 { margin: 4px 0 0; font-size: 1.06rem; line-height: 1.45; font-weight: 600; letter-spacing: -.01em; }
.pillar p { margin: 0; font-size: .9rem; line-height: 1.7; color: var(--text); opacity: .78; flex: 1; }
.pillar-link {
  font-size: .86rem; font-weight: 600; text-decoration: none;
  color: var(--primary-dark); margin-top: 4px;
}
.pillar.purple .pillar-link { color: #7a68d8; }
.pillar.mint .pillar-link { color: #2fbf9b; }
.pillar-link:hover { text-decoration: underline; }

/* ---------- 屏 5 · 碎碎念墙 + 标签云 ---------- */
.sticky-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.sticky {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  min-height: 158px;
  text-decoration: none; color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
/* 便签淡彩底按定稿轮换：粉 / 粉白 / 紫 / 薄荷（与四大支柱同一套色） */
.sticky.s1 { background: #ffe4f0; border-color: #ffe4f0; transform: rotate(-1.1deg); }
.sticky.s2 { background: #fff7fb; border-color: #fff7fb; transform: rotate(.7deg); }
.sticky.s3 { background: #efeafe; border-color: #efeafe; transform: rotate(-.5deg); }
.sticky.s4 { background: #e8fbf6; border-color: #e8fbf6; transform: rotate(1.2deg); }
.sticky:hover { transform: rotate(0) translateY(-4px); box-shadow: var(--shadow-hover); }
.sticky-date { font-size: .76rem; color: var(--text-light); }
.sticky-text { margin: 0; font-size: .92rem; line-height: 1.72; flex: 1; }
.sticky-tag { font-size: .78rem; color: var(--primary-dark); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag {
  padding: 6px 14px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary-dark);
  font-size: .84rem; text-decoration: none;
}
.tag span { opacity: .7; }
.tag:hover { background: var(--primary-light); }

/* ---------- 屏 6 · 建站故事 / 时间线 ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 84px 16px 1fr;
  gap: 14px;
  padding-bottom: 26px;
  position: relative;
}
.timeline li:last-child { padding-bottom: 0; }
.tl-year { font-size: .84rem; color: var(--text-light); padding-top: 2px; }
/* 圆点用 ::before 画，元素本身靠 align-self:stretch 撑满整行 ——
   这样连接线长度跟着内容高度走，长条目也不会断线。 */
.tl-dot {
  width: 10px;
  align-self: stretch;
  justify-self: center;
  margin-top: 6px;
  position: relative;
  z-index: 1;
}
.tl-dot::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--primary);
}
.timeline li:not(:last-child) .tl-dot::after {
  content: "";
  position: absolute;
  left: 50%; top: 14px; bottom: -8px;
  transform: translateX(-50%);
  width: 2px;
  background: var(--border);
}
.tl-body h4 { margin: 0 0 4px; font-size: 1rem; font-weight: 600; }
.tl-body p { margin: 0; font-size: .92rem; line-height: 1.75; color: var(--text); opacity: .78; }
.story-body p {
  margin: 0; font-size: 1rem; line-height: 1.9; color: var(--text);
  opacity: .82; white-space: pre-line; max-width: 46em;
}

/* 时间线默认只显示最新 3 条，其余用「纯 CSS 展开开关」收起来
   （checkbox + label，不依赖 JS；CSS 没加载时全部可见，不会丢内容） */
.tl-toggle-cb { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.timeline .tl-extra { display: none; }
.tl-toggle-cb:checked ~ .timeline .tl-extra { display: grid; }
.tl-toggle-cb:not(:checked) ~ .timeline li.tl-cut .tl-dot::after { display: none; }
.tl-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--primary-dark);
  font-size: .88rem;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.tl-more:hover { border-color: var(--primary); }
.tl-more-open { display: none; }
.tl-toggle-cb:checked ~ .tl-more .tl-more-open { display: inline; }
.tl-toggle-cb:checked ~ .tl-more .tl-more-closed { display: none; }

/* ---------- 屏 7 · 关于猫猫 ---------- */
.about-card {
  display: grid; grid-template-columns: 1.3fr 1fr;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.about-left { padding: 28px 30px; }
.about-right { padding: 28px 30px; border-left: 1px solid var(--border); }
.about-id { display: flex; align-items: center; gap: 14px; }
.about-id-text h3 { margin: 0; font-size: 1.24rem; font-weight: 600; letter-spacing: -.015em; }
.about-role { margin: 3px 0 0; font-size: .86rem; color: var(--text-light); }
.about-intro {
  margin: 16px 0 0; font-size: .94rem; line-height: 1.8;
  color: var(--text); opacity: .8; white-space: pre-line;
}
.about-stats { display: flex; gap: 30px; margin-top: 20px; flex-wrap: wrap; }
.about-stats div { display: flex; flex-direction: column; }
.about-stats b { font-size: 1.6rem; font-weight: 700; color: var(--primary-dark); letter-spacing: -.02em; }
.about-stats span { font-size: .8rem; color: var(--text-light); margin-top: 2px; }
.about-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.about-right h4 {
  margin: 0 0 12px; font-size: .8rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-light);
}
.about-block + .about-block { margin-top: 26px; }
.archive-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.archive-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px solid var(--border);
}
.archive-list li:last-child { border-bottom: none; }
.archive-list a { color: var(--text); text-decoration: none; font-size: .92rem; }
.archive-list a:hover { color: var(--primary-dark); }
.archive-list span { font-size: .78rem; color: var(--text-light); }
.friend-pills { display: flex; flex-wrap: wrap; gap: 9px; }
.friend {
  padding: 6px 14px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary-dark);
  font-size: .85rem; text-decoration: none;
}
.friend:hover { background: var(--primary-light); }

/* ---------- 屏 8 · 留言板 ---------- */
.gb-form {
  display: flex; align-items: center; gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 8px 8px 16px;
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}
.gb-form input {
  flex: 1; min-width: 0; border: none; outline: none; background: transparent;
  font-size: .96rem; color: var(--text); font-family: inherit;
}
.gb-form input::placeholder { color: var(--text-light); }
.gb-list { display: flex; flex-direction: column; gap: 14px; }
.gb-item {
  display: flex; gap: 13px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 18px;
}
.gb-body { flex: 1; min-width: 0; }
.gb-head { display: flex; align-items: baseline; gap: 10px; }
.gb-head b { font-size: .94rem; font-weight: 600; }
.gb-head span { font-size: .78rem; color: var(--text-light); }
.gb-body p { margin: 6px 0 0; font-size: .94rem; line-height: 1.75; color: var(--text); opacity: .85; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-title { font-size: 3rem; }
  .post-grid, .pillar-grid, .sticky-grid { grid-template-columns: repeat(2, 1fr); }
  .about-card { grid-template-columns: 1fr; }
  .about-right { border-left: none; border-top: 1px solid var(--border); }
}
@media (max-width: 680px) {
  .home-sec { padding: 52px 0; }
  .home-hero { padding: 40px 0 52px; }
  .hero-title { font-size: 2.15rem; letter-spacing: -.02em; }
  .hero-sub { font-size: .96rem; }
  .sec-title { font-size: 1.72rem; }
  /* 按手机版定稿：最新文章「单列通栏」，四大支柱与碎碎念墙都是 2×2 */
  .post-grid { grid-template-columns: 1fr; }
  .pillar-grid, .sticky-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .pillar { padding: 16px 14px 14px; border-radius: 16px; }
  .pillar h3 { font-size: .96rem; }
  .pillar p { font-size: .84rem; line-height: 1.65; }
  .sticky { min-height: 0; padding: 15px; border-radius: 14px; }
  .sticky-text { font-size: .86rem; line-height: 1.68; }
  /* 2 列时保留一点点倾斜的手账感，角度收回避免越界 */
  .sticky.s1 { transform: rotate(-.8deg); }
  .sticky.s2 { transform: rotate(.5deg); }
  .sticky.s3 { transform: rotate(-.4deg); }
  .sticky.s4 { transform: rotate(.9deg); }
  .search-bar { padding: 6px 6px 6px 16px; }
  /* 分类胶囊：手机上一行横滑（与定稿一致），不要换行堆成两排 */
  .cat-pills {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .cat-pills::-webkit-scrollbar { display: none; }
  .cat-pill { flex: 0 0 auto; }
  .post-card { padding: 18px 18px 16px; }
  .gb-form { flex-wrap: wrap; border-radius: 18px; padding: 12px; }
  .gb-form input { flex-basis: 100%; }
  /* 时间线：手机上把「时间」挪到内容上方，避免 84px 的窄列把
     「2026 年 9 月 13 日」折成三行（这就是之前挤在一起的原因） */
  .timeline li {
    grid-template-columns: 14px 1fr;
    grid-template-rows: auto auto;
    gap: 2px 10px;
    padding-bottom: 22px;
  }
  .timeline .tl-year { grid-column: 2; grid-row: 1; padding-top: 0; font-size: .78rem; }
  .timeline .tl-dot { grid-column: 1; grid-row: 1 / span 2; margin-top: 6px; }
  .timeline .tl-body { grid-column: 2; grid-row: 2; }
  .timeline .tl-body h4 { font-size: .96rem; }
  .timeline .tl-body p { font-size: .88rem; }
  .tl-more { width: 100%; justify-content: center; }
  .about-left, .about-right { padding: 22px 20px; }
  .footer-inner { padding: 30px 20px 20px; }
}

/* 更窄的屏（小屏手机）：碎碎念/支柱仍保持 2 列但再收紧一档 */
@media (max-width: 420px) {
  .pillar-grid, .sticky-grid { gap: 10px; }
  .pillar { padding: 14px 12px 12px; }
  .about-stats { gap: 20px; }
  .about-stats b { font-size: 1.4rem; }
}

/* ---------- 深色模式（跟随系统）：按「去彩色」标准，全部走中性灰阶 ----------
   品牌粉 / 淡紫 / 薄荷在深色下一律停用；强调改为「更亮的灰 + 更重的字」。
   语义状态（在线/离线）也不再用红绿，改成亮度区分。 */
@media (prefers-color-scheme: dark) {
  .home-hero { background: radial-gradient(115% 115% at 50% 26%, #1d1d1d 0%, var(--bg) 74%); }
  /* 标题强调：纯白 + 极淡白光晕（不是彩色光） */
  .hero-glow { color: #ffffff; text-shadow: 0 0 24px rgba(255, 255, 255, .10); }
  .eyebrow-pill { background: #2a2a2a; color: var(--text); }
  .sec-eyebrow { color: var(--text-light); }
  .live-badge { background: #262626; color: var(--text-light); }
  /* 四大支柱 / 碎碎念便签：淡彩底一律收成同一层级的中性面 */
  .pillar.pink,
  .pillar.purple,
  .pillar.mint,
  .pillar.cream { background: #262626; border-color: #2e2e2e; }
  .pillar-icon,
  .pillar.purple .pillar-icon,
  .pillar.mint .pillar-icon { color: var(--primary-dark); }
  .pillar-link,
  .pillar.purple .pillar-link,
  .pillar.mint .pillar-link { color: var(--primary-dark); }
  .sticky.s1,
  .sticky.s2,
  .sticky.s3,
  .sticky.s4 { background: #262626; border-color: #2e2e2e; }
  .chip { background: #2a2a2a; color: var(--text); }
  .cat-pill.active { color: #1c1c1c; }
  .tag { background: #262626; color: var(--text); }
  .friend { background: #262626; color: var(--text); }
  .gb-avatar-me { color: #1c1c1c; }
  .about-avatar,
  .gb-avatar { color: var(--primary-dark); }
  .about-stats b { color: var(--primary-dark); }
  .server-state.on { color: var(--primary-dark); }
  .server-state.off { color: var(--text-light); }
  .tl-dot::before { background: #8a8a8a; }
  .search-icon { color: var(--text-light); }
  .post-card:hover, .sticky:hover { box-shadow: 0 16px 44px rgba(0, 0, 0, .5); }
  .server-card, .post-card, .sticky, .about-card, .gb-item,
  .search-bar, .gb-form { box-shadow: none; }
}