@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Source+Serif+Pro:ital@0;1&display=swap');

/* ============================================================
   kiki 个人博客 —— Notion 风 · warm paper notebook
   参考 styles.refero.design/style/2bf4c61f
   ============================================================ */
:root {
  --blue: #0075de;            /* Notion Blue —— 唯一主色 */
  --paper: #f6f5f4;           /* 暖米色画布 */
  --white: #ffffff;           /* 卡片表面 */
  --ink: #000000;             /* 墨色 */
  --charcoal: #111111;
  --stone: #757575;           /* 60% 墨 */
  --graphite: #615d59;        /* 正文暖灰 */
  --slate: #696969;
  --sky-tint: #e6f3fe;        /* 浅蓝 ghost */
  --marigold: #ffb110;        /* 黄 accent */
  --coral: #f64932;           /* 红橙 accent */
  --saffron: #e89d01;
  --vermillion: #e32d14;
  --mocha: #b18164;
  --sky-wash: #62aef0;        /* 亮蓝 accent */
  --midnight: #02093a;        /* 深蓝黑 accent */
  --border: rgba(0, 0, 0, 0.08);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 9999px;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
          'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-serif: 'Source Serif Pro', Georgia, 'Songti SC', 'SimSun', serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color .16s; }
a:hover { color: var(--blue); }

img { max-width: 100%; height: auto; }

.wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部导航（sticky + 极轻投影） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 245, 244, 0.86);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0px 0.7px 1.462px 0px rgba(0, 0, 0, 0.015), 0px 3px 9px 0px rgba(0, 0, 0, 0.03);
  padding: 16px 0;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--ink);
}
.brand .tagline { font-size: 13px; color: var(--stone); }
.nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.54);
  padding: 8px 14px;
  border-radius: var(--radius-btn);
  transition: color .16s;
}
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--blue); }

/* ---------- 首页英雄区（accent 色块卡） ---------- */
.hero { padding: 36px 0 8px; }
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  position: relative;
  display: block;
  border-radius: var(--radius-card);
  padding: 24px;
  transition: transform .18s;
}
.stat-card:hover { transform: translateY(-2px); color: inherit; }
.stat-card:nth-child(1) { background: var(--marigold); }
.stat-card:nth-child(2) { background: var(--sky-wash); }
.stat-card:nth-child(3) { background: var(--midnight); }
.stat-card:nth-child(3) .title,
.stat-card:nth-child(3) .sub { color: #fff; }
.stat-card:nth-child(3) .arrow { color: rgba(255, 255, 255, 0.6); }

.stat-card .num {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1.5px;
  color: var(--ink);
}
.stat-card:nth-child(3) .num { color: #fff; }
.stat-card .title { font-size: 17px; font-weight: 600; margin-top: 8px; }
.stat-card .sub { font-size: 13px; color: rgba(0, 0, 0, 0.6); margin-top: 2px; }
.stat-card .arrow {
  position: absolute;
  right: 22px;
  top: 26px;
  font-size: 20px;
  color: rgba(0, 0, 0, 0.4);
}

/* 装饰角色标记：白底圆 + 2px 彩色描边 */
.neu-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-bottom: 12px;
  background: var(--white);
}
.stat-card:nth-child(1) .neu-icon { color: var(--blue); }
.stat-card:nth-child(2) .neu-icon { color: var(--coral); }
.stat-card:nth-child(3) .neu-icon { color: var(--marigold); }

/* ---------- 主体两栏布局 ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 44px;
  padding: 32px 0 64px;
}
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
}

.section-title svg,
.page-head h1 svg { vertical-align: -3px; margin-right: 4px; }
.section-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin: 0;
}
.section-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
}
.section-meta .more { font-size: 13px; color: var(--stone); font-weight: 500; }

.post-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 16px;
  transition: border-color .16s;
}
.post-item:hover { border-color: rgba(0, 0, 0, 0.16); }
.post-item .ptitle {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  line-height: 1.4;
  margin: 0 0 6px;
}
.post-item .ptitle a:hover { color: var(--blue); }
.post-meta {
  font-size: 13px;
  color: var(--stone);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  background: var(--sky-tint);
  border-radius: var(--radius-pill);
  padding: 2px 12px;
}
.post-item .excerpt {
  font-size: 14px;
  color: var(--graphite);
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.read-more { font-size: 13px; color: var(--blue); font-weight: 500; }

/* ---------- 侧栏 ---------- */
.sidebar .sblock { margin-bottom: 28px; }
.sidebar h3 {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--stone);
  margin: 0 0 12px;
}
.sidebar .box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 18px;
  text-align: center;
}
.sidebar .profile .avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #f0f0f0;
  margin: 0 auto 14px;
  overflow: hidden;
  border: 2px solid var(--blue);
}
.sidebar .profile .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
}
.sidebar .profile .pname { font-size: 16px; font-weight: 600; }
.sidebar .profile .pdesc { font-size: 13px; color: var(--stone); margin-top: 4px; }
.sidebar .profile p { font-size: 13px; color: var(--stone); margin: 6px 0 0; }

.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li {
  margin: 0;
  padding: 7px 0;
  font-size: 14px;
  border-bottom: 1px dashed #e3e0db;
}
.sidebar li:last-child { border-bottom: 0; }
.sidebar li a { color: rgba(0, 0, 0, 0.8); }
.sidebar li a:hover { color: var(--blue); }
.sidebar li .count { color: var(--stone); font-size: 12px; margin-left: 4px; }
.sidebar .plain-list li { display: flex; justify-content: space-between; }

/* ---------- 搜索框 ---------- */
.search-box {
  display: flex;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  overflow: hidden;
}
.search-box input {
  flex: 1;
  border: 0;
  padding: 9px 14px;
  font-size: 14px;
  font-family: inherit;
  background: transparent;
  outline: none;
  color: var(--ink);
}

/* ---------- 页脚 ---------- */
.site-footer { padding: 28px 0 48px; }
.site-footer .wrap { display: flex; flex-direction: column; gap: 14px; }
.footer-links { display: flex; gap: 4px; flex-wrap: wrap; }
.footer-links a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.54);
  padding: 6px 12px;
  border-radius: var(--radius-btn);
}
.footer-links a:hover { color: var(--ink); }
.copyright { font-size: 13px; color: rgba(0, 0, 0, 0.4); }

/* ---------- 文章详情页（白纸卡） ---------- */
.article-page {
  max-width: 760px;
  margin: 32px auto 68px;
  padding: 44px 48px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}
@media (max-width: 640px) {
  .article-page { margin: 16px 12px 52px; padding: 26px 20px; }
}
.article-head { margin-bottom: 26px; }
.article-head .cat { margin-bottom: 14px; }
.article-head h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.7px;
  line-height: 1.25;
  margin: 0 0 12px;
}
.article-head .meta { font-size: 13px; color: var(--stone); }
.article-cover {
  margin: 0 0 28px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
}
.article-cover img { display: block; width: 100%; }
/* 引言用衬线体，编辑感 */
.article-lead {
  font-size: 17px;
  font-family: var(--font-serif);
  color: var(--graphite);
  line-height: 1.6;
  margin: 0 0 28px;
  padding-left: 18px;
  border-left: 2px solid var(--marigold);
}
.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin: 34px 0 14px;
  line-height: 1.3;
}
.article-body h3 { font-size: 17px; font-weight: 600; margin: 24px 0 10px; }
.article-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--graphite);
}
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; line-height: 1.7; color: var(--graphite); }
.article-body blockquote {
  margin: 0 0 18px;
  padding: 14px 18px;
  background: var(--sky-tint);
  border-radius: var(--radius-btn);
  color: var(--graphite);
  font-size: 15px;
}
.article-body .refs {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--stone);
}
.article-body .refs h2 { font-size: 15px; }
.article-body .refs li { font-size: 13px; color: var(--stone); }
.article-body .refs li a { color: var(--blue); }
.article-body .refs li a:hover { text-decoration: underline; }

/* ---------- 列表页标题区 ---------- */
.page-head { padding: 32px 0 8px; }
.page-head h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.7px;
  margin: 0;
}
.page-head p { font-size: 14px; color: var(--stone); margin: 8px 0 0; }

/* ---------- 年份分组 ---------- */
.year-group { margin: 24px 0; }
.year-group h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin: 0 0 8px;
  color: var(--ink);
}
.year-group h2 .cnt { color: var(--stone); font-weight: 400; font-size: 14px; }
.year-group ul { list-style: none; margin: 0; padding: 0; }
.year-group li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
}
.year-group li .date { font-size: 13px; color: var(--stone); flex-shrink: 0; }
.year-group li a { font-size: 15px; flex: 1; }
.year-group li a:hover { color: var(--blue); }
.year-group li .cat { font-size: 12px; color: var(--stone); flex-shrink: 0; }
/* ============================================================
   关于页 · Craft Docs 数字剪贴簿拼贴风
   参考 styles.refero.design/style/9f228e72
   ============================================================ */
body.about-page { background: #fff3e7; }
body.about-page .site-header {
  background: rgba(251, 250, 244, 0.86);
  border-bottom-color: rgba(3, 3, 2, 0.06);
}
.about-page .wrap { max-width: 1040px; }

/* —— 天蓝色 hero —— */
.about-top {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #9ed4ef 0%, #c6e8f7 55%, #fff3e7 100%);
  padding: 96px 0 140px;
  text-align: center;
}
.about-top::before {
  content: "";
  position: absolute;
  right: -110px; top: -110px;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.6), transparent 70%);
}
.about-top::after {
  content: "";
  position: absolute;
  left: -100px; bottom: -140px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(253, 233, 155, 0.55), transparent 70%);
}
.about-top-inner { position: relative; z-index: 1; }

.about-avatar {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 28px;
  border: 5px solid #fff;
  box-shadow: rgba(0, 0, 0, 0.01) 0 50px 40px 0, rgba(0, 0, 0, 0.02) 0 50px 40px 0, rgba(0, 0, 0, 0.05) 0 20px 40px 0, rgba(0, 0, 0, 0.08) 0 3px 10px 0;
}
.about-avatar img { width: 100%; height: 100%; object-fit: cover; }

.about-title {
  font-family: 'Lora', var(--font-serif);
  font-size: clamp(42px, 6.5vw, 64px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #030302;
  margin: 0 0 20px;
}
.about-lead {
  margin: 0 auto 30px;
  font-size: 17px;
  line-height: 1.85;
  color: #24303a;
}
.about-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.about-meta span,
.about-meta a { color: #24303a; }
.about-meta a:hover { color: #0060c0; text-decoration: underline; }
.about-meta .sep { color: rgba(3, 3, 2, 0.25); }

@media (max-width: 720px) {
  .about-top { padding: 64px 0 100px; }
}