:root { --bg: #eef2f7; --card: #ffffff; --text: #1f2937; --muted: #6b7280; --blue: #1976d2; --line: #e5e7eb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; align-items: center;
       background: var(--bg); color: var(--text);
       font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Noto Sans CJK SC", sans-serif; }
main { width: 100%; max-width: 560px; padding: 64px 16px 32px; flex: 1; }
main.wide { max-width: 720px; padding-top: 32px; }
h1 { margin: 0; font-size: 32px; line-height: 1.25; }
.tagline { margin: 8px 0 32px; color: var(--muted); }
.card { background: var(--card); border-radius: 14px; padding: 22px 24px; box-shadow: 0 1px 3px rgba(15, 23, 42, .08); margin-bottom: 16px; }
.card h2 { margin: 0 0 6px; font-size: 20px; }
.badge { display: inline-block; margin-left: 4px; padding: 1px 8px; border-radius: 999px; background: #e3eefb;
         color: var(--blue); font-size: 12px; font-weight: 600; vertical-align: 3px; }
.card p { margin: 0 0 16px; color: var(--muted); line-height: 1.5; }
.btn { display: inline-block; background: var(--blue); color: #fff; text-decoration: none;
       padding: 10px 18px; border-radius: 10px; font-weight: 600; }
.btn:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
.latest { margin-top: 32px; }
.latest h2, main.wide section h2 { font-size: 18px; margin: 24px 0 8px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 10px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; }
.list a { color: var(--text); text-decoration: none; font-weight: 500; }
.list a:hover { text-decoration: underline; }
.date { color: var(--muted); font-size: 13px; white-space: nowrap; }
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.crumbs a { color: var(--muted); }
.meta { color: var(--muted); font-size: 14px; margin: 8px 0 24px; }
article { background: var(--card); border-radius: 14px; padding: 8px 24px 24px; box-shadow: 0 1px 3px rgba(15, 23, 42, .08);
          line-height: 1.65; font-size: 16px; }
article h2 { font-size: 20px; margin: 28px 0 8px; }
article table { border-collapse: collapse; width: 100%; font-size: 15px; }
article th, article td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
article .note { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 8px; padding: 10px 14px; }
.cta { margin: 28px 0 8px; padding: 18px 20px; background: #eff6ff; border-radius: 12px; }
.cta p { margin: 0 0 12px; }
footer { width: 100%; max-width: 560px; padding: 24px 16px 32px; color: var(--muted); font-size: 13px; line-height: 1.6; }
main.wide + footer { max-width: 720px; }
a.plain { color: inherit; }