/* ============================================
   王誉达 · 个人网站
   风格：简约 · 高级 · 书卷气
   主色：纸白 / 墨黑 / 赭金
   ============================================ */

:root {
  --paper: #f8f6f1;
  --paper-deep: #f1ede4;
  --ink: #1c1b18;
  --ink-soft: #4a4740;
  --ink-faint: #8b867c;
  --gold: #9c7c46;
  --gold-soft: #b89968;
  --line: #e2dccf;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gold); color: #fff; }

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

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 32px; }

/* ---------- 导航 ---------- */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(248, 246, 241, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: 1060px; margin: 0 auto; padding: 0 32px;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.logo { font-size: 20px; letter-spacing: 0.35em; font-weight: 600; }
.logo span { color: var(--gold); }
.nav-links { display: flex; gap: 40px; font-family: var(--sans); font-size: 14px; letter-spacing: 0.15em; }
.nav-links a { color: var(--ink-soft); transition: color .25s; padding: 4px 0; border-bottom: 1px solid transparent; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); border-bottom-color: var(--gold); }

/* ---------- 首页 Hero ---------- */
.hero {
  min-height: 92vh; display: flex; align-items: center;
  padding-top: 72px;
}
.hero-inner { width: 100%; }
.hero-kicker {
  font-family: var(--sans); font-size: 13px; letter-spacing: 0.5em;
  color: var(--gold); margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(44px, 7vw, 80px); font-weight: 600;
  letter-spacing: 0.12em; line-height: 1.25; margin-bottom: 32px;
}
.hero-motto {
  font-size: 19px; color: var(--ink-soft); max-width: 560px;
  border-left: 2px solid var(--gold); padding-left: 24px;
}
.hero-scroll {
  margin-top: 72px; font-family: var(--sans); font-size: 12px;
  letter-spacing: 0.3em; color: var(--ink-faint);
}

/* ---------- 通用分节 ---------- */
section { padding: 96px 0; }
section.alt { background: var(--paper-deep); }

.sec-head { display: flex; align-items: baseline; gap: 24px; margin-bottom: 56px; }
.sec-num {
  font-family: Georgia, serif; font-size: 15px; color: var(--gold);
  letter-spacing: 0.2em;
}
.sec-head h2 {
  font-size: 32px; font-weight: 600; letter-spacing: 0.15em;
}
.sec-head .en {
  font-family: Georgia, serif; font-style: italic; font-size: 15px;
  color: var(--ink-faint); margin-left: auto;
}
.sec-intro { max-width: 640px; color: var(--ink-soft); margin-bottom: 48px; }

/* ---------- 首页板块卡片 ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tile {
  background: var(--paper); padding: 56px 48px;
  transition: background .3s;
  display: block;
}
.tile:hover { background: var(--paper-deep); }
.tile .t-num { font-family: Georgia, serif; font-size: 14px; color: var(--gold); letter-spacing: 0.2em; }
.tile h3 { font-size: 24px; letter-spacing: 0.2em; margin: 18px 0 6px; font-weight: 600; }
.tile .t-en { font-family: Georgia, serif; font-style: italic; font-size: 14px; color: var(--ink-faint); }
.tile p { margin-top: 20px; font-size: 15.5px; color: var(--ink-soft); }
.tile .t-go { display: inline-block; margin-top: 28px; font-family: var(--sans); font-size: 13px; letter-spacing: 0.2em; color: var(--gold); }

/* ---------- 时间线（我的故事） ---------- */
.timeline { position: relative; padding-left: 48px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line);
}
.t-item { position: relative; padding-bottom: 72px; }
.t-item:last-child { padding-bottom: 0; }
.t-item::before {
  content: ""; position: absolute; left: -44px; top: 12px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--gold);
}
.t-era { font-family: Georgia, serif; font-size: 14px; color: var(--gold); letter-spacing: 0.15em; }
.t-item h3 { font-size: 24px; letter-spacing: 0.1em; margin: 10px 0 14px; font-weight: 600; }
.t-item p { color: var(--ink-soft); max-width: 620px; }
.t-more { display: inline-block; margin-top: 16px; font-family: var(--sans); font-size: 13px; letter-spacing: 0.15em; color: var(--gold); border-bottom: 1px solid var(--gold-soft); padding-bottom: 2px; }

/* ---------- 文章列表 ---------- */
.article-list { border-top: 1px solid var(--line); }
.article-row {
  display: flex; align-items: baseline; gap: 32px;
  padding: 28px 8px; border-bottom: 1px solid var(--line);
  transition: background .25s;
}
.article-row:hover { background: var(--paper-deep); }
.article-row .a-date { font-family: Georgia, serif; font-size: 14px; color: var(--ink-faint); min-width: 110px; }
.article-row .a-title { font-size: 18px; letter-spacing: 0.05em; }
.article-row .a-tag {
  margin-left: auto; font-family: var(--sans); font-size: 12px;
  letter-spacing: 0.1em; color: var(--gold);
  border: 1px solid var(--gold-soft); padding: 2px 12px; border-radius: 20px;
  white-space: nowrap;
}

/* ---------- 卡片（生活板块） ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.card {
  background: var(--paper); border: 1px solid var(--line);
  padding: 40px 32px; transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(28,27,24,.07); }
.card .c-icon { font-size: 26px; margin-bottom: 20px; }
.card h3 { font-size: 20px; letter-spacing: 0.15em; margin-bottom: 12px; font-weight: 600; }
.card p { font-size: 15px; color: var(--ink-soft); }

/* ---------- 简历/要点 ---------- */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.fact { background: var(--paper); padding: 36px 32px; }
.fact .f-label { font-family: var(--sans); font-size: 12px; letter-spacing: 0.25em; color: var(--ink-faint); margin-bottom: 12px; }
.fact .f-value { font-size: 18px; letter-spacing: 0.05em; }

/* ---------- 文章正文页 ---------- */
.article-page { max-width: 720px; margin: 0 auto; padding: 160px 32px 96px; }
.article-page .a-meta { font-family: Georgia, serif; font-size: 14px; color: var(--gold); letter-spacing: 0.15em; margin-bottom: 20px; }
.article-page h1 { font-size: 36px; letter-spacing: 0.08em; line-height: 1.5; margin-bottom: 48px; font-weight: 600; }
.article-page .a-body p { margin-bottom: 28px; color: var(--ink-soft); }
.article-page .a-body h2 { font-size: 24px; margin: 48px 0 20px; letter-spacing: 0.1em; }
.article-page .a-body blockquote {
  border-left: 2px solid var(--gold); padding-left: 24px; margin: 36px 0;
  color: var(--ink); font-size: 19px;
}
.a-back { display: inline-block; margin-bottom: 48px; font-family: var(--sans); font-size: 13px; letter-spacing: 0.15em; color: var(--ink-faint); }
.a-back:hover { color: var(--gold); }

/* ---------- 页内 Hero（子页面顶部） ---------- */
.page-hero { padding: 176px 0 72px; }
.page-hero .ph-en { font-family: Georgia, serif; font-style: italic; font-size: 15px; color: var(--gold); }
.page-hero h1 { font-size: clamp(34px, 5vw, 52px); letter-spacing: 0.15em; margin: 16px 0 24px; font-weight: 600; }
.page-hero p { max-width: 620px; color: var(--ink-soft); font-size: 18px; }

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line); padding: 56px 0; }
.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.foot .f-name { letter-spacing: 0.3em; font-size: 15px; }
.foot .f-links { display: flex; gap: 28px; font-family: var(--sans); font-size: 13px; color: var(--ink-faint); }
.foot .f-links a:hover { color: var(--gold); }
.foot .f-copy { width: 100%; margin-top: 24px; font-family: var(--sans); font-size: 12px; color: var(--ink-faint); letter-spacing: 0.05em; }

/* ---------- 占位提示 ---------- */
.placeholder-note {
  font-family: var(--sans); font-size: 13px; color: var(--gold);
  background: rgba(156, 124, 70, 0.08); border: 1px dashed var(--gold-soft);
  padding: 12px 20px; margin-top: 40px; letter-spacing: 0.05em;
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .nav-links { gap: 20px; font-size: 13px; }
  .grid-2, .grid-3, .facts { grid-template-columns: 1fr; }
  .article-row { flex-wrap: wrap; gap: 8px 20px; }
  .article-row .a-tag { margin-left: 0; }
  section { padding: 64px 0; }
  .hero h1 { letter-spacing: 0.08em; }
}
@media (max-width: 560px) {
  .nav-links { display: none; }
}