:root {
  --navy-900: #0f1f3d;
  --navy-800: #14264a;
  --navy-700: #1d3461;
  --navy-600: #284a82;
  --gold: #b8945a;
  --gold-soft: #d8c39a;
  --ink: #1f2733;
  --ink-soft: #4a5568;
  --muted: #7b8794;
  --line: #e3e7ee;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #fbfcfe;
  --shadow: 0 10px 30px rgba(15, 31, 61, 0.08);
  --shadow-sm: 0 2px 10px rgba(15, 31, 61, 0.06);
  --radius: 14px;
  --radius-sm: 9px;
  --serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", Georgia, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --maxw: 1140px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--gold); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
  box-shadow: var(--shadow);
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand:hover { color: #fff; }
.brand-mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--gold);
  color: var(--navy-900);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 22px;
  border-radius: 10px;
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 18px; letter-spacing: 1px; }
.brand-text small { color: var(--gold-soft); font-size: 11.5px; margin-top: 2px; }

.top-nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.top-nav a {
  color: #dfe6f2;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  transition: background .2s, color .2s;
}
.top-nav a:hover, .top-nav a.active { background: rgba(255,255,255,.12); color: #fff; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  font-size: 18px;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}

/* ---------- Layout ---------- */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 22px 60px;
  display: grid;
  grid-template-columns: 248px 1fr;
  gap: 30px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 86px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.side-nav { padding: 10px; }
.side-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.side-nav a .ico { width: 18px; text-align: center; opacity: .8; }
.side-nav a:hover { background: var(--panel-2); color: var(--navy-700); }
.side-nav a.active {
  background: linear-gradient(120deg, var(--navy-700), var(--navy-600));
  color: #fff;
}
.side-nav a.active .ico { opacity: 1; }

.side-contact {
  border-top: 1px solid var(--line);
  padding: 16px 16px 18px;
  font-size: 13px;
  color: var(--muted);
}
.side-contact .row { display: flex; gap: 8px; margin: 6px 0; word-break: break-all; }
.side-contact .row b { color: var(--ink-soft); font-weight: 600; flex: none; }

/* ---------- Content ---------- */
.content { min-height: 60vh; }
.loading { color: var(--muted); padding: 40px; text-align: center; }

.page-title {
  font-family: var(--serif);
  font-size: 30px;
  margin: 4px 0 4px;
  color: var(--navy-900);
  letter-spacing: 1px;
}
.page-sub { color: var(--muted); margin: 0 0 22px; font-size: 14.5px; }
.section-rule {
  height: 3px; width: 52px;
  background: var(--gold);
  border-radius: 3px;
  margin: 6px 0 22px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px 24px;
  margin-bottom: 18px;
}
.card h3 { font-family: var(--serif); color: var(--navy-800); margin: 0 0 10px; font-size: 19px; }
.card h4 { color: var(--navy-700); margin: 16px 0 6px; font-size: 15.5px; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700) 60%, var(--navy-600));
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 38px;
  display: flex;
  gap: 30px;
  align-items: center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(184,148,90,.35), transparent 70%);
}
.hero-avatar {
  width: 118px; height: 118px;
  flex: none;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 3px solid var(--gold);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* 竖版证件照(1634×1920)：头顶贴近图顶，鼻尖约在图高30-35%处。
     负值 object-position 把图片整体下移，使：
     - 鼻子尖对齐到圆圈中心(50%)
     - 头顶与金圈上沿留出可见间隙
     上次在 -55% 基础上，头部再上移约 20%半径(≈11.8px) → -7% */
  object-position: 50% -7%;
  transform: scale(1.2);
  /* 以圆心为放大原点，确保缩放时鼻子始终居中不动 */
  transform-origin: 50% 50%;
}
.hero-info { position: relative; z-index: 1; }
.hero-name { font-family: var(--serif); font-size: 34px; margin: 0 0 4px; letter-spacing: 2px; }
.hero-title { color: var(--gold-soft); font-size: 16px; margin: 0 0 12px; }
.hero-tagline { font-size: 14.5px; color: #dfe6f2; max-width: 560px; }
.hero-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.hero-meta { margin-top: 16px; display: flex; gap: 20px; flex-wrap: wrap; font-size: 13.5px; color: #cdd6e6; }
.hero-meta span b { color: #fff; font-weight: 600; }

/* ---------- Tags / chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eef1f6;
  color: var(--navy-700);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12.5px;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
  text-decoration: none;
}
.chip:hover { background: var(--navy-700); color: #fff; border-color: var(--navy-700); }
.chip.active { background: var(--gold); color: var(--navy-900); border-color: var(--gold); font-weight: 600; }
.chip .cnt { opacity: .65; font-size: 11px; }

/* ---------- Resume ---------- */
.resume-head {
  display: flex; flex-wrap: wrap; gap: 18px 36px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 24px; margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.resume-head .col { min-width: 150px; }
.resume-head .col .k { font-size: 12px; color: var(--muted); }
.resume-head .col .v { font-size: 15px; color: var(--ink); font-weight: 600; }

.timeline { border-left: 2px solid var(--line); margin-left: 8px; padding-left: 22px; }
.tl-item { position: relative; margin-bottom: 22px; }
.tl-item::before {
  content: ""; position: absolute; left: -29px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--gold);
}
.tl-item .tl-top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; }
.tl-item .tl-org { font-family: var(--serif); font-size: 18px; color: var(--navy-800); }
.tl-item .tl-role { color: var(--gold); font-weight: 600; font-size: 14px; }
.tl-item .tl-date { margin-left: auto; color: var(--muted); font-size: 13px; }
.tl-item .tl-loc { color: var(--muted); font-size: 13px; }
.tl-item ul { margin: 8px 0 0; padding-left: 20px; color: var(--ink-soft); }
.tl-item ul li { margin: 4px 0; }

.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px 26px; }
.kv { border-bottom: 1px dashed var(--line); padding-bottom: 8px; }
.kv .k { font-size: 12.5px; color: var(--muted); }
.kv .v { font-size: 15px; color: var(--ink); margin-top: 2px; }

/* ---------- Case / comment list ---------- */
.list-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s, border-color .15s;
  cursor: pointer;
  display: block;
}
.list-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--gold-soft); }
.list-item .li-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.list-item .li-title { font-family: var(--serif); font-size: 18.5px; color: var(--navy-800); margin: 0; }
.list-item .li-date { margin-left: auto; color: var(--muted); font-size: 13px; }
.list-item .li-summary { color: var(--ink-soft); margin: 10px 0 12px; font-size: 14.5px; }
.list-item .li-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.badge-amount {
  background: var(--navy-800); color: var(--gold-soft);
  border-radius: 8px; padding: 2px 10px; font-size: 13px; font-weight: 600;
}

/* ---------- Detail view ---------- */
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--navy-700); font-size: 14px; margin-bottom: 14px; }
.back-link:hover { color: var(--gold); }
.detail-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 13.5px; margin: 6px 0 16px; }
.detail-meta b { color: var(--ink-soft); }

/* ---------- Tags page ---------- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.tag-group { margin-top: 22px; }
.tag-group h4 { font-family: var(--serif); color: var(--navy-800); margin: 0 0 12px; font-size: 17px; }

/* ---------- Markdown rendered ---------- */
.md { color: var(--ink); font-size: 15.5px; }
.md h1, .md h2, .md h3, .md h4 { font-family: var(--serif); color: var(--navy-800); line-height: 1.4; margin: 1.2em 0 .5em; }
.md h2 { font-size: 22px; border-left: 4px solid var(--gold); padding-left: 12px; }
.md h3 { font-size: 18px; }
.md p { margin: .7em 0; }
.md ul, .md ol { margin: .6em 0; padding-left: 22px; }
.md li { margin: .35em 0; }
.md blockquote {
  margin: 1em 0; padding: 10px 16px;
  background: var(--panel-2); border-left: 4px solid var(--gold);
  color: var(--ink-soft); border-radius: 0 8px 8px 0;
}
.md code {
  background: #eef1f6; padding: 2px 6px; border-radius: 5px;
  font-size: 13.5px; color: var(--navy-700);
}
.md pre { background: var(--navy-900); color: #e6ecf7; padding: 14px 16px; border-radius: 10px; overflow: auto; }
.md pre code { background: transparent; color: inherit; padding: 0; }
.md table { border-collapse: collapse; width: 100%; margin: 1em 0; }
.md th, .md td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.md th { background: var(--panel-2); color: var(--navy-800); }
.md a { color: var(--navy-700); border-bottom: 1px solid var(--gold-soft); }
.md hr { border: none; border-top: 1px solid var(--line); margin: 1.5em 0; }
.md strong { color: var(--navy-800); }

.about-lead { font-size: 16.5px; color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: #cdd6e6;
  margin-top: 30px;
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 20px 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 13px;
}
.footer-note { color: var(--gold-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .top-nav { display: none; }
  .nav-toggle { display: block; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    display: none;
    margin-bottom: 18px;
  }
  .sidebar.open { display: block; }
  .hero { flex-direction: column; text-align: center; padding: 32px 24px; }
  .hero-tags, .hero-meta { justify-content: center; }
  .page-title { font-size: 26px; }
}

/* ===================== 管理员模式 ===================== */
.admin-fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  padding: 11px 16px; border: none; border-radius: 999px;
  background: var(--navy-800); color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; box-shadow: 0 6px 20px rgba(15,31,61,.28);
  transition: background .15s, transform .15s;
}
.admin-fab:hover { transform: translateY(-2px); }
.admin-fab.on { background: var(--gold); color: var(--navy-900); }

.admin-bar { margin: 4px 0 16px; }
.mini-btn {
  border: 1px solid var(--border); background: #fff; color: var(--ink-soft);
  font-size: 12px; padding: 4px 9px; border-radius: 6px; cursor: pointer; margin-left: 6px;
}
.mini-btn:hover { border-color: var(--navy-600); color: var(--navy-700); }
.mini-btn.danger:hover { border-color: #c0392b; color: #c0392b; }
.li-wrap { position: relative; }
.li-wrap .li-actions { position: absolute; top: 12px; right: 14px; }

/* 弹窗 */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,31,61,.55); display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  background: #fff; width: 100%; max-width: 560px; max-height: 90vh; overflow: auto;
  border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.modal.wide { max-width: 920px; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { font-family: var(--serif); color: var(--navy-800); font-size: 18px; margin: 0; }
.modal-x { border: none; background: transparent; font-size: 18px; cursor: pointer; color: var(--muted); }
.modal-body { padding: 18px 20px; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 14px 20px; border-top: 1px solid var(--border);
}
.btn-primary {
  background: var(--navy-800); color: #fff; border: none; padding: 9px 18px;
  border-radius: 8px; font-size: 14px; cursor: pointer; font-weight: 600;
}
.btn-primary:hover { background: var(--navy-700); }
.btn-ghost {
  background: #fff; color: var(--ink-soft); border: 1px solid var(--border);
  padding: 9px 18px; border-radius: 8px; font-size: 14px; cursor: pointer;
}
.btn-ghost:hover { border-color: var(--navy-600); }

.fld-label { display: block; font-size: 13px; color: var(--ink-soft); margin: 12px 0 5px; font-weight: 600; }
.fld-label:first-child { margin-top: 0; }
.fld-input, .fld-area {
  width: 100%; box-sizing: border-box; border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 11px; font-size: 14px; font-family: inherit; color: var(--ink); background: #fff;
}
.fld-input:focus, .fld-area:focus { outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(40,74,130,.12); }
.fld-area { resize: vertical; min-height: 220px; line-height: 1.6; }
.fld-row { display: flex; gap: 12px; }
.fld-row > div { flex: 1; }

.md-edit { display: flex; gap: 14px; align-items: stretch; }
.md-edit .fld-area { flex: 1; min-height: 320px; }
.md-preview {
  flex: 1; min-height: 320px; overflow: auto; border: 1px dashed var(--border);
  border-radius: 8px; padding: 12px 14px; background: #fafbfc; font-size: 14px;
}
.modal-err { color: #c0392b; font-size: 13px; margin: 10px 0 0; min-height: 0; }

@media (max-width: 720px) {
  .md-edit { flex-direction: column; }
  .fld-row { flex-direction: column; gap: 0; }
  .li-wrap .li-actions { position: static; margin: 8px 0 4px; }
}