/* ==========================================================================
   loongsite — 设计系统
   纯黑白灰 + 玻璃质感 · 亮/暗双主题 · 零外部资源
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  color-scheme: light;
  --bg: #f1f1f2;
  --bg-deep: #e8e8ea;
  --panel: rgba(255, 255, 255, 0.64);
  --panel-strong: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --panel-inset: rgba(19, 19, 21, 0.025);
  --text: #131315;
  --text-2: #4a4a50;
  --text-3: #83838c;
  --line: rgba(19, 19, 21, 0.13);
  --line-soft: rgba(19, 19, 21, 0.07);
  --line-strong: rgba(19, 19, 21, 0.22);
  --solid: #17171a;
  --solid-text: #fafafa;
  --shadow-sm: 0 1px 2px rgba(15, 15, 18, 0.05);
  --shadow-md: 0 1px 2px rgba(15, 15, 18, 0.05), 0 12px 32px -16px rgba(15, 15, 18, 0.26);
  --shadow-lg: 0 2px 4px rgba(15, 15, 18, 0.04), 0 28px 70px -28px rgba(15, 15, 18, 0.34);
  --rim: inset 0 1px 0 rgba(255, 255, 255, 0.72);
  --code-bg: rgba(19, 19, 21, 0.035);
  --sel: rgba(19, 19, 21, 0.15);
  --tok-c: #8b8b94;
  --tok-k: #17171a;
  --tok-s: #3f3f46;
  --tok-n: #55555e;
  --grid: rgba(19, 19, 21, 0.035);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 9px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 1080px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #09090a;
  --bg-deep: #0d0d0f;
  --panel: rgba(24, 24, 28, 0.6);
  --panel-strong: rgba(28, 28, 33, 0.86);
  --panel-solid: #131316;
  --panel-inset: rgba(255, 255, 255, 0.03);
  --text: #f3f3f5;
  --text-2: #b7b7c0;
  --text-3: #7d7d88;
  --line: rgba(255, 255, 255, 0.13);
  --line-soft: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.26);
  --solid: #f4f4f6;
  --solid-text: #101013;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.45), 0 14px 36px -18px rgba(0, 0, 0, 0.85);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.5), 0 34px 80px -30px rgba(0, 0, 0, 0.9);
  --rim: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  --code-bg: rgba(255, 255, 255, 0.04);
  --sel: rgba(255, 255, 255, 0.19);
  --tok-c: #6f6f7a;
  --tok-k: #f6f6f8;
  --tok-s: #c9c9d2;
  --tok-n: #a9a9b4;
  --grid: rgba(255, 255, 255, 0.045);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.75;
  letter-spacing: 0.012em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--sel); }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

img { max-width: 100%; display: block; }

button { font: inherit; color: inherit; }

h1, h2, h3, h4 { margin: 0; font-weight: 650; line-height: 1.25; letter-spacing: -0.01em; }

p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -60px;
  transform: translateX(-50%);
  z-index: 100;
  padding: 10px 18px;
  background: var(--solid);
  color: var(--solid-text);
  border-radius: 0 0 12px 12px;
  transition: top 0.2s ease;
  font-size: 14px;
}
.skip-link:focus { top: 0; }

.muted { color: var(--text-3); }

/* 背景装饰：极淡的灰度光斑 + 网格 */
.bg-deco {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(52rem 30rem at 78% -8%, var(--panel-inset), transparent 62%),
    radial-gradient(40rem 26rem at 8% 4%, var(--panel-inset), transparent 60%),
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 100% 44px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 44px 100%;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.35) 48%, transparent 88%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.35) 48%, transparent 88%);
}

/* ---------- 布局 ---------- */
.container {
  width: min(var(--wrap), 100% - 48px);
  margin-inline: auto;
}

main { padding-bottom: 40px; }

.section { margin-top: 84px; }

.section-head { margin-bottom: 26px; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

.section-title { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }

.section-lead { margin-top: 12px; color: var(--text-2); max-width: 46em; }

/* ---------- 玻璃 ---------- */
.glass {
  background: var(--panel);
  backdrop-filter: blur(20px) saturate(1.25);
  -webkit-backdrop-filter: blur(20px) saturate(1.25);
  border: 1px solid var(--line);
  box-shadow: var(--rim), var(--shadow-md);
  border-radius: var(--radius);
}

/* ---------- 顶部导航 ---------- */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 12px 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  width: min(var(--wrap), 100% - 32px);
  margin-inline: auto;
  padding: 9px 12px 9px 16px;
  border-radius: 999px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding-right: 10px;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 3px var(--line-soft);
  flex: none;
}

.brand-name { font-size: 16px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 14.5px;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav-link:hover { background: var(--panel-inset); color: var(--text); }

.nav-link.is-active {
  color: var(--text);
  background: var(--panel-inset);
  box-shadow: inset 0 0 0 1px var(--line-soft);
  font-weight: 600;
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.icon-btn:hover { background: var(--panel-inset); color: var(--text); border-color: var(--line-soft); }

.theme-toggle { position: relative; }

.theme-ic { display: grid; place-items: center; position: absolute; inset: 0; transition: opacity 0.25s ease, transform 0.35s ease; }

html[data-theme="light"] .theme-ic-sun { opacity: 0; transform: rotate(-40deg) scale(0.6); }
html[data-theme="light"] .theme-ic-moon { opacity: 1; transform: none; }
html[data-theme="dark"] .theme-ic-moon { opacity: 0; transform: rotate(40deg) scale(0.6); }
html[data-theme="dark"] .theme-ic-sun { opacity: 1; transform: none; }

/* ---------- 英雄区 ---------- */
.hero { padding-top: 56px; }

.hero-card {
  position: relative;
  padding: clamp(28px, 4.5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(30rem 18rem at 85% 0%, var(--panel-inset), transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}

.hero-name {
  font-size: clamp(2.6rem, 1.6rem + 4.6vw, 4.2rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 12px;
}

.hero-title {
  font-size: clamp(1.02rem, 0.9rem + 0.5vw, 1.28rem);
  color: var(--text-2);
  font-weight: 500;
  margin-bottom: 16px;
}

.hero-tagline {
  color: var(--text-2);
  max-width: 34em;
  margin-bottom: 26px;
}

.hero-contacts { display: flex; flex-wrap: wrap; gap: 10px; }

.hero-avatar {
  position: relative;
  width: clamp(132px, 20vw, 188px);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 6px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: var(--rim), var(--shadow-lg);
  flex: none;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--panel-inset);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  font-size: 14.5px;
  font-weight: 550;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  box-shadow: var(--rim), var(--shadow-sm);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); border-color: var(--line-strong); box-shadow: var(--rim), var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--solid);
  color: var(--solid-text);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { opacity: 0.92; }

.btn-ghost { background: transparent; box-shadow: none; color: var(--text-2); }
.btn-ghost:hover { background: var(--panel-inset); color: var(--text); }

.btn-sm { padding: 7px 13px; font-size: 13.5px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- 徽章 / 标签 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid var(--line);
  color: var(--text-2);
  background: var(--panel-inset);
  font-family: var(--mono);
}

.badge-public::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text);
}

.badge-private::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1.5px solid var(--text-3);
  border-radius: 2px;
}

.card-year { font-family: var(--mono); font-size: 12px; color: var(--text-3); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 7px;
  border: 1px solid var(--line-soft);
  background: var(--panel-inset);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

/* ---------- 通用卡片 ---------- */
.card { padding: 26px; }
.card + .card { margin-top: 18px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ---------- 关于我 ---------- */
.about-body { display: grid; gap: 14px; color: var(--text-2); font-size: 16px; }
.about-body p:first-child { color: var(--text); }

/* ---------- 技能 ---------- */
.skill-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.skill-card { padding: 22px; }

.skill-group-name {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 650;
  margin-bottom: 14px;
  color: var(--text);
}

.skill-items { display: flex; flex-wrap: wrap; gap: 7px; }

/* ---------- 项目卡片 ---------- */
.project-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.24s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--rim), var(--shadow-lg);
}

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: var(--panel-inset);
  color: var(--text);
}

.card-meta { display: flex; align-items: center; gap: 8px; }

.card-title { font-size: 1.16rem; margin-top: 4px; }
.card-title a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

.card-subtitle { color: var(--text-3); font-size: 13.5px; font-family: var(--mono); letter-spacing: 0.02em; }

.card-summary { color: var(--text-2); font-size: 14.6px; flex: 1; }

.card-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }

/* ---------- 时间线（经历；为空时不渲染） ---------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}
.timeline-item { position: relative; padding: 0 0 26px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--panel-solid);
  border: 1.5px solid var(--text-2);
}
.timeline-when { font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.timeline-what { font-weight: 650; margin-top: 2px; }
.timeline-where { color: var(--text-2); font-size: 14.5px; }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: 96px;
  border-top: 1px solid var(--line-soft);
  padding: 26px 0 34px;
}

.footer-inner { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }

.footer-left { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.footer-left .brand-dot { width: 7px; height: 7px; }

.footer-right { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; }

.footer-sep { width: 1px; height: 14px; background: var(--line); }

/* ---------- 页面头部（二级页） ---------- */
.page-head { padding-top: 44px; }

.backlink {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-3);
  font-size: 13.5px;
  margin-bottom: 22px;
  transition: color 0.18s ease;
}
.backlink:hover { color: var(--text); }

.page-title { font-size: clamp(1.9rem, 1.4rem + 2vw, 2.7rem); letter-spacing: -0.025em; }
.page-sub { color: var(--text-3); font-family: var(--mono); font-size: 13.5px; margin-top: 8px; }
.page-lead { margin-top: 18px; color: var(--text-2); font-size: 16.5px; max-width: 46em; }

.meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; }

/* ---------- 指标（项目详情） ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 26px;
}

.metric { background: var(--panel-solid); padding: 18px 20px; }
html[data-theme="dark"] .metric { background: var(--panel-solid); }
.metric-k { font-size: 12.5px; color: var(--text-3); font-family: var(--mono); letter-spacing: 0.06em; }
.metric-v { font-size: 1.02rem; font-weight: 650; margin-top: 4px; }

/* ---------- 高亮列表 ---------- */
.highlights { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }

.highlights li {
  position: relative;
  padding-left: 26px;
  color: var(--text-2);
}

.highlights li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 12px;
  height: 1.5px;
  background: var(--text-3);
  border-radius: 2px;
}

.notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 14px;
  background: var(--panel-inset);
}

.notice .ic { flex: none; margin-top: 3px; color: var(--text-3); }

/* ---------- 仓库浏览器 ---------- */
.repo-head { padding: 24px 26px; }

.repo-title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }

.repo-title {
  font-family: var(--mono);
  font-size: clamp(1.15rem, 0.95rem + 1vw, 1.5rem);
  font-weight: 650;
  letter-spacing: -0.01em;
}

.repo-title .repo-owner { color: var(--text-3); font-weight: 500; }

.repo-actions { margin-left: auto; display: flex; flex-wrap: wrap; gap: 8px; }

.repo-stats { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 16px; font-size: 13.5px; color: var(--text-2); }

.lang-bar {
  display: flex;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  min-width: 220px;
  flex: 1 1 220px;
  max-width: 420px;
  background: var(--panel-inset);
}

.lang-seg { height: 100%; }
.lang-seg:nth-child(1) { background: var(--text); }
.lang-seg:nth-child(2) { background: var(--text-2); }
.lang-seg:nth-child(3) { background: var(--text-3); }
.lang-seg:nth-child(4) { background: var(--line-strong); }
.lang-seg:nth-child(5) { background: var(--line); }
.lang-seg:nth-child(n+6) { background: var(--line-soft); }

.lang-legend { display: flex; flex-wrap: wrap; gap: 14px; font-family: var(--mono); font-size: 12px; color: var(--text-2); }
.lang-legend span { display: inline-flex; align-items: center; gap: 6px; }
.lang-legend i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--text-2);
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--text-2); padding: 2px 6px; border-radius: 6px; }
.breadcrumb a:hover { background: var(--panel-inset); color: var(--text); }
.breadcrumb .sep { color: var(--text-3); }
.breadcrumb .current { color: var(--text); font-weight: 600; }

/* 文件列表 */
.filelist { padding: 8px; }

.filelist-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 14px 10px;
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  color: var(--text-3);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-soft);
}

.file-row {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border-radius: var(--radius-xs);
  transition: background 0.14s ease;
}

.file-row:hover { background: var(--panel-inset); }

.file-row .ic { color: var(--text-3); }

.file-row.is-dir .file-name { font-weight: 600; }

.file-name {
  font-family: var(--mono);
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size { font-family: var(--mono); font-size: 12px; color: var(--text-3); text-align: right; }
.file-kind { font-size: 12px; color: var(--text-3); min-width: 64px; text-align: right; font-family: var(--mono); }

.file-empty { padding: 22px; text-align: center; color: var(--text-3); font-size: 14px; }

/* README / 正文 */
.readme { padding: 26px 28px; }

.readme-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- 代码查看 ---------- */
.code-card { overflow: hidden; }

.code-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--panel-inset);
}

.code-path { font-family: var(--mono); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.code-meta { margin-left: auto; display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--text-3); }

.code-scroll { overflow: auto; max-height: 74vh; }

pre.code {
  margin: 0;
  padding: 16px 0 18px;
  background: var(--code-bg);
  font-family: var(--mono);
  font-size: 12.8px;
  line-height: 1.7;
  counter-reset: ln;
  tab-size: 2;
}

pre .line { display: block; padding: 0 18px 0 0; white-space: pre; }
pre.code .line::before {
  counter-increment: ln;
  content: counter(ln);
  display: inline-block;
  width: 3.4em;
  padding-right: 1.1em;
  text-align: right;
  color: var(--text-3);
  opacity: 0.62;
  user-select: none;
  -webkit-user-select: none;
}
pre.code .line:hover { background: var(--panel-inset); }

.tok-c { color: var(--tok-c); font-style: italic; }
.tok-k { color: var(--tok-k); font-weight: 650; }
.tok-s { color: var(--tok-s); background: var(--panel-inset); border-radius: 3px; }
.tok-n { color: var(--tok-n); }
.tok-t { color: var(--tok-k); font-weight: 600; }
.tok-a { color: var(--tok-s); }
.tok-h { color: var(--tok-k); font-weight: 700; }

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-solid);
  color: var(--text-2);
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.16s ease;
}
.copy-btn:hover { color: var(--text); border-color: var(--line-strong); }
.copy-btn.is-done { color: var(--text); border-color: var(--text); }

/* ---------- Markdown 正文（README / 博客） ---------- */
.prose { color: var(--text-2); font-size: 15.2px; }
.prose > *:first-child { margin-top: 0; }
.prose h1, .prose h2, .prose h3, .prose h4 { color: var(--text); margin: 1.6em 0 0.6em; }
.prose h1 { font-size: 1.5rem; }
.prose h2 {
  font-size: 1.22rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}
.prose h3 { font-size: 1.06rem; }
.prose p { margin: 0.85em 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-strong); color: var(--text); }
.prose a:hover { text-decoration-color: var(--text); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0.85em 0; }
.prose li { margin: 0.35em 0; }
.prose li::marker { color: var(--text-3); }
.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  padding: 1px 5px;
}
.prose pre {
  background: var(--code-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow: auto;
  margin: 1em 0;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: 12.8px; }
.prose blockquote {
  margin: 1em 0;
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--line-strong);
  color: var(--text-3);
}
.prose hr { border: 0; border-top: 1px solid var(--line-soft); margin: 1.8em 0; }
.prose img { border-radius: var(--radius-sm); border: 1px solid var(--line-soft); margin: 1em 0; }
.prose table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 14px; }
.prose th, .prose td { border: 1px solid var(--line-soft); padding: 8px 12px; text-align: left; }
.prose th { background: var(--panel-inset); color: var(--text); font-weight: 650; }

/* ---------- 博客 ---------- */
.post-list { display: grid; gap: 14px; }

.post-item {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.2s ease;
}
.post-item:hover { transform: translateY(-2px); border-color: var(--line-strong); box-shadow: var(--rim), var(--shadow-lg); }
.post-title { font-size: 1.1rem; }
.post-meta { font-family: var(--mono); font-size: 12px; color: var(--text-3); display: flex; gap: 12px; flex-wrap: wrap; }
.post-summary { color: var(--text-2); font-size: 14.5px; }

.empty-state { padding: 46px 28px; text-align: center; display: grid; gap: 10px; justify-items: center; }
.empty-icon {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--panel-inset); color: var(--text-3);
}
.empty-title { font-weight: 650; font-size: 1.05rem; }
.empty-text { color: var(--text-3); font-size: 14.5px; max-width: 30em; }

/* ---------- 分页/其他 ---------- */
.kbd {
  font-family: var(--mono);
  font-size: 12px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 6px;
  background: var(--panel-solid);
}

.stat-strip { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 22px; }
.stat { display: grid; gap: 2px; }
.stat-k { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; color: var(--text-3); text-transform: uppercase; }
.stat-v { font-weight: 650; font-size: 15px; }

/* ---------- 入场动效 ---------- */
html.js .reveal { opacity: 0; transform: translateY(14px); }
html.js .reveal.is-in { opacity: 1; transform: none; transition: opacity 0.6s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal, html.js .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .btn:hover, .project-card:hover, .post-item:hover { transform: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill-groups { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .container { width: min(var(--wrap), 100% - 32px); }
  .hero-card { grid-template-columns: 1fr; }
  .hero-avatar { order: -1; width: 118px; }
  .grid-2, .grid-4, .grid-auto { grid-template-columns: 1fr; }
  .section { margin-top: 60px; }
  .nav-link span { display: none; }
  .nav-link { padding: 8px; }
  .file-row { grid-template-columns: 22px minmax(0, 1fr) auto; }
  .file-kind { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .repo-actions { margin-left: 0; }
  .readme { padding: 20px 18px; }
  .card { padding: 22px 20px; }
}

/* ---------- 工具类 ---------- */
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-24 { margin-top: 24px; }