:root {
  --ink: #12161c;
  --ink-soft: #3a424e;
  --paper: #f6f1e8;
  --paper-deep: #efe6d6;
  --rule: #d8cbb6;
  --gold: #9a7b4a;
  --gold-bright: #c4a36a;
  --sea: #1f4d4a;
  --hero: #0c1218;
  --white: #fbf8f2;
  --shadow: 0 24px 60px rgba(18, 22, 28, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  letter-spacing: 0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(246, 241, 232, 0.86);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-mark {
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: 30px;
  letter-spacing: 0.18em;
}

.brand-sub {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  letter-spacing: 0.12em;
}

nav a {
  position: relative;
  color: var(--ink-soft);
}

nav a:hover,
nav a.is-active { color: var(--ink); }

nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--gold);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 18% 20%, rgba(196, 163, 106, 0.18), transparent 28%),
    radial-gradient(circle at 82% 80%, rgba(31, 77, 74, 0.4), transparent 32%),
    linear-gradient(160deg, #101820 0%, #1a232d 55%, #0b1015 100%);
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 78%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 88px 0 72px;
}

.kicker {
  color: var(--gold-bright);
  font-size: 13px;
  letter-spacing: 0.36em;
}

.hero h1 {
  max-width: 16ch;
  margin: 18px 0 22px;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: clamp(48px, 8vw, 92px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.08em;
}

.hero p {
  max-width: 38em;
  margin: 0 0 36px;
  color: rgba(251, 248, 242, 0.78);
  font-size: 18px;
}

.hero-meta {
  display: flex;
  gap: 28px;
  color: rgba(251, 248, 242, 0.58);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.section {
  padding: 84px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 36px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}

.section-head h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: 32px;
  letter-spacing: 0.14em;
}

.section-head span {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.22em;
}

.featured {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
}

.feature-card,
.article-card {
  background: #fffdf8;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
}

.feature-card { padding: 42px; }
.article-card { padding: 28px 26px 24px; display: flex; flex-direction: column; min-height: 100%; }

.cat {
  display: inline-block;
  color: var(--sea);
  font-size: 12px;
  letter-spacing: 0.22em;
}

h3 {
  margin: 12px 0 14px;
  font-family: "Songti SC", "STSong", serif;
  font-size: 28px;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.article-card h3 { font-size: 22px; }

.lede {
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.more {
  margin-top: auto;
  color: var(--gold);
  letter-spacing: 0.16em;
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -12px 0 28px;
}

.filter {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-soft);
  padding: 6px 14px;
  letter-spacing: 0.14em;
  font-size: 12px;
  cursor: pointer;
}

.filter.is-on,
.filter:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: #fff;
}

.article {
  width: min(760px, calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0 96px;
}

.article-kicker {
  color: var(--gold);
  letter-spacing: 0.28em;
  font-size: 12px;
}

.article h1 {
  margin: 16px 0 18px;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.25;
  letter-spacing: 0.05em;
}

.article-meta {
  display: flex;
  gap: 20px;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding-bottom: 28px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--rule);
}

.article .lead {
  font-size: 20px;
  color: var(--ink-soft);
  margin-top: 0;
}

.article p {
  font-size: 17px;
  margin: 0 0 1.35em;
  text-align: justify;
}

.article h2 {
  margin: 2em 0 0.7em;
  font-family: "Songti SC", "STSong", serif;
  font-size: 26px;
  letter-spacing: 0.08em;
}

blockquote {
  margin: 2em 0;
  padding: 8px 0 8px 22px;
  border-left: 2px solid var(--gold);
  color: var(--ink-soft);
  font-family: "Songti SC", "STSong", serif;
  font-size: 20px;
}

.back {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--gold);
  letter-spacing: 0.16em;
  font-size: 13px;
}

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 42px 0 56px;
  color: var(--ink-soft);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner strong {
  display: block;
  color: var(--ink);
  font-family: "Songti SC", "STSong", serif;
  font-size: 24px;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.colophon { font-size: 13px; letter-spacing: 0.08em; }

.about {
  width: min(760px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.about h1 {
  font-family: "Songti SC", "STSong", serif;
  font-size: 48px;
  letter-spacing: 0.16em;
}

@media (max-width: 900px) {
  .featured, .grid, .footer-inner { grid-template-columns: 1fr; display: grid; }
  nav { display: none; }
  .hero { min-height: 68vh; }
  .header-inner { min-height: 64px; }
}