:root { color-scheme: light dark; --bg: #ffffff; --fg: #1c1e26; --muted: #5b6070; --accent: #c98a00; --line: #e3e5ec; }
@media (prefers-color-scheme: dark) { :root { --bg: #14161d; --fg: #eceef4; --muted: #a0a5b5; --accent: #f0b429; --line: #2a2e3a; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.7 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 64px; }
h1 { font-size: 2rem; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); font-size: 0.9rem; }
a { color: var(--accent); }
nav { display: flex; gap: 16px; flex-wrap: wrap; padding-bottom: 16px; margin-bottom: 8px; border-bottom: 1px solid var(--line); }
nav a { text-decoration: none; font-weight: 600; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }

/* ---- 品牌头 / 导航 ---- */
nav .brand { display: inline-flex; align-items: center; gap: 7px; margin-right: 4px; }
nav .brand img { border-radius: 5px; display: block; }
.hero { display: flex; align-items: center; gap: 20px; margin: 8px 0 24px; }
.hero .logo { border-radius: 20px; flex: none; }
.hero h1 { margin: 0 0 4px; }
.hero .muted { margin: 0; font-size: 1rem; }

/* ---- 首页卡片 ---- */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; }
.card { display: block; padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px;
        text-decoration: none; color: inherit; }
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; color: var(--accent); }
.card p { margin: 0 0 6px; font-size: 0.95rem; }
.samples { list-style: none; padding: 0; }
.samples li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.samples .w { font-weight: 700; }
.samples .ipa, .samples .cn { color: var(--muted); margin-left: 10px; }

/* ---- 词表 ---- */
table.words { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.93rem; }
table.words th { text-align: left; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em;
                 color: var(--muted); border-bottom: 2px solid var(--line); padding: 8px 10px 8px 0; }
table.words td { border-bottom: 1px solid var(--line); padding: 10px 10px 10px 0; vertical-align: top; }
table.words .ep { color: var(--muted); font-size: 0.82rem; white-space: nowrap; }
table.words .w { font-weight: 700; white-space: nowrap; }
table.words .ipa { color: var(--muted); white-space: nowrap; }
table.words .ex { color: var(--muted); }
table.words .excn { display: block; }
footer .footmark { vertical-align: -4px; border-radius: 4px; margin-right: 6px; }

@media (max-width: 620px) {
  .cards { grid-template-columns: 1fr; }
  .hero { gap: 14px; }
  .hero .logo { width: 64px; height: 64px; }
  table.words { font-size: 0.88rem; }
  table.words .ipa { display: none; }
}