:root {
  --navy: #0e2a47; --navy-deep: #091d33; --brass: #b3893a; --brass-light: #d4ad62;
  --ink: #22303f; --ink-soft: #51606f; --paper: #f7f4ee; --white: #fff; --line: #e3ddd1;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
header { background: var(--navy-deep); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 1120px; }
.logo { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--white); }
.logo em { font-style: normal; color: var(--brass-light); }
header nav a { color: rgba(255,255,255,0.85); font-size: 14px; margin-left: 24px; }
header nav a:hover { color: var(--brass-light); }
.crumb { font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--brass); margin: 48px 0 14px; }
h1 { font-family: var(--serif); font-size: clamp(26px, 4vw, 36px); color: var(--navy); line-height: 1.25; margin-bottom: 10px; }
.meta { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 36px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
article h2 { font-family: var(--serif); font-size: 22px; color: var(--navy); margin: 36px 0 12px; }
article p { margin-bottom: 16px; font-size: 16.5px; color: #38465a; }
article ul, article ol { margin: 0 0 16px 24px; font-size: 16.5px; color: #38465a; }
article li { margin-bottom: 8px; }
article strong { color: var(--ink); }
.tip { background: var(--white); border-left: 3px solid var(--brass); padding: 16px 20px; margin: 24px 0; font-size: 15.5px; }
.disclaimer { font-size: 13px; color: var(--ink-soft); border-top: 1px solid var(--line); margin-top: 44px; padding-top: 16px; }
.cta { background: var(--navy); color: var(--white); padding: 32px; margin: 36px 0 0; text-align: left; }
.cta h3 { font-family: var(--serif); font-size: 21px; margin-bottom: 8px; }
.cta p { color: rgba(255,255,255,0.8); font-size: 15px; margin-bottom: 18px; }
.cta a { display: inline-block; background: var(--brass); color: var(--navy-deep); font-weight: 600; padding: 11px 26px; font-size: 14.5px; }
.cta a:hover { background: var(--brass-light); }
footer { margin-top: 64px; padding: 28px 0; background: var(--navy-deep); color: rgba(255,255,255,0.55); font-size: 13px; }
footer .wrap { max-width: 1120px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
main { padding-bottom: 24px; }
/* index list */
.art-list { display: grid; gap: 18px; margin-top: 36px; }
.art-card { background: var(--white); border: 1px solid var(--line); padding: 26px 30px; display: block; transition: border-color .2s, transform .2s; }
.art-card:hover { border-color: var(--brass); transform: translateY(-2px); }
.art-card .lang-tag { font-size: 11.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--brass); }
.art-card h2 { font-family: var(--serif); font-size: 20px; color: var(--navy); margin: 6px 0; }
.art-card p { font-size: 14.5px; color: var(--ink-soft); }