:root {
  --red: #8f1d1f;
  --red-dark: #671113;
  --gold: #c99843;
  --ink: #2d2521;
  --muted: #716661;
  --paper: #fffaf5;
  --paper-deep: #f6e9dd;
  --line: #ead5c4;
  --white: #ffffff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(143,29,31,.07), transparent 26rem),
    linear-gradient(180deg, #fff 0, var(--paper) 34rem, #fff 100%);
  font-family: "Noto Serif SC", "Songti SC", SimSun, Georgia, serif;
  line-height: 1.85;
}

a { color: var(--red); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--red-dark); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--red); color: #fff; padding: .6rem 1rem; z-index: 99;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid rgba(143,29,31,.12);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(9px);
}

.header-inner {
  width: min(1160px, calc(100% - 32px));
  margin: auto; min-height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: grid; place-items: center; width: 44px; height: 44px;
  border-radius: 50%; color: #fff; font-weight: 700; font-size: 23px;
  background: linear-gradient(145deg, var(--red), var(--red-dark));
  box-shadow: 0 5px 16px rgba(103,17,19,.2);
}
.brand-name { color: var(--red-dark); font-size: 21px; font-weight: 700; letter-spacing: .08em; }
.brand-sub { display: block; color: var(--muted); font: 11px/1.2 Arial, sans-serif; letter-spacing: .06em; }

.nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 22px; }
.nav a { color: var(--red); text-decoration: none; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--red-dark); text-decoration: underline; }

.hero {
  position: relative; overflow: hidden;
  min-height: 390px; display: grid; align-items: center;
  background:
    linear-gradient(110deg, rgba(255,255,255,.97), rgba(251,238,230,.82)),
    repeating-radial-gradient(circle at 85% 120%, transparent 0 22px, rgba(143,29,31,.16) 23px 25px, transparent 26px 46px);
  border-bottom: 1px solid var(--line);
}
.hero::after {
  content: "义"; position: absolute; right: 7%; top: 4%;
  color: rgba(143,29,31,.055); font-size: clamp(180px, 30vw, 390px); line-height: 1;
}
.hero-inner { width: min(1100px, calc(100% - 40px)); margin: auto; position: relative; z-index: 1; }
.eyebrow { color: var(--gold); letter-spacing: .16em; font: 700 13px/1.4 Arial, sans-serif; text-transform: uppercase; }
h1 { margin: .35rem 0 .8rem; color: var(--red-dark); font-size: clamp(34px, 6vw, 62px); line-height: 1.2; letter-spacing: .04em; }
.hero p { max-width: 720px; margin: .4rem 0; font-size: 18px; color: #544943; }
.hero-en { font: 15px/1.7 Georgia, serif; color: var(--muted); }

.container { width: min(1040px, calc(100% - 32px)); margin: auto; }
.section { padding: 64px 0; }
.section-tight { padding: 36px 0; }
.section-title { margin: 0 0 10px; color: var(--red-dark); font-size: clamp(27px, 4vw, 39px); line-height: 1.35; }
.section-lead { max-width: 780px; color: var(--muted); margin: 0 0 28px; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.card {
  display: block; padding: 24px; border: 1px solid var(--line); border-radius: 14px;
  color: inherit; text-decoration: none; background: rgba(255,255,255,.92);
  box-shadow: 0 8px 25px rgba(76,44,26,.06); transition: .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: #d7ae86; color: inherit; }
.card .tag { color: var(--gold); font: 700 12px Arial, sans-serif; letter-spacing: .08em; }
.card h2, .card h3 { color: var(--red-dark); margin: 7px 0 8px; line-height: 1.45; }
.card h2 { font-size: 22px; }
.card h3 { font-size: 20px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }

.breadcrumb { padding: 18px 0; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--muted); }

.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 56px; align-items: start; }
.article { min-width: 0; }
.article h2 { color: var(--red-dark); font-size: 28px; margin: 2.1rem 0 .7rem; line-height: 1.45; }
.article h3 { color: var(--red); font-size: 21px; margin: 1.6rem 0 .5rem; }
.article p, .article li { font-size: 17px; }
.en {
  margin-top: -.35rem;
  color: #756963;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px !important;
  line-height: 1.75;
}
.en-title {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: .58em;
  font-weight: 400;
  letter-spacing: 0;
}
.bilingual-label { display: block; color: var(--muted); font: 13px/1.5 Georgia, serif; }
.article blockquote {
  margin: 1.5rem 0; padding: 16px 20px; border-left: 4px solid var(--gold);
  background: var(--paper-deep); color: #574941;
}
.article table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 15px; }
.article th, .article td { padding: 11px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article th { background: var(--paper-deep); color: var(--red-dark); }

.meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 14px; margin: 10px 0 22px; }
.notice {
  padding: 16px 19px; border: 1px solid #dfc59c; border-radius: 10px;
  background: #fff9e9; color: #5c4a2e; margin: 1.4rem 0;
}
.source-list { padding-left: 1.25rem; }
.source-list li { margin: .8rem 0; overflow-wrap: anywhere; }
.source-type { display: inline-block; margin-right: 6px; padding: 1px 7px; border-radius: 999px; background: var(--paper-deep); color: var(--red); font-size: 12px; }

.toc { position: sticky; top: 95px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.toc strong { color: var(--red-dark); }
.toc ol { padding-left: 1.2rem; margin-bottom: 0; }
.toc a { font-size: 14px; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--red); }

.cta { padding: 28px; border-radius: 16px; color: #fff; background: linear-gradient(135deg, var(--red), var(--red-dark)); }
.cta h2 { color: #fff; margin-top: 0; }
.cta a { color: #fff4d9; }

.site-footer { padding: 44px 0; color: #f7e9df; background: #641315; }
.footer-inner { width: min(1040px, calc(100% - 32px)); margin: auto; display: flex; justify-content: space-between; gap: 30px; }
.site-footer a { color: #fff0ce; }
.footer-note { max-width: 650px; margin: 0; font-size: 14px; }

@media (max-width: 850px) {
  .header-inner { padding: 12px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .site-header { position: static; }
  .nav { justify-content: flex-start; }
  .grid { grid-template-columns: 1fr 1fr; }
  .article-wrap { grid-template-columns: 1fr; }
  .toc { position: static; order: -1; }
}

@media (max-width: 560px) {
  .brand-sub { display: none; }
  .grid { grid-template-columns: 1fr; }
  .hero { min-height: 330px; }
  .hero p { font-size: 16px; }
  .section { padding: 46px 0; }
  .article p, .article li { font-size: 16px; }
  .en { font-size: 14px !important; }
  .article table { display: block; overflow-x: auto; }
  .footer-inner { flex-direction: column; }
}