/* CourseCalc — "Academic" 学院风 */
:root { --ink:#1e293b; --paper:#f6f4ee; --card:#fdfcf9; --line:#ddd6c8; --accent:#b45309; --muted:#78716c; }
* { box-sizing:border-box; }
body { margin:0; font:16px/1.7 "Iowan Old Style",Palatino,"Palatino Linotype",Georgia,serif; color:var(--ink); background:var(--paper); }
.wrap { max-width:840px; margin:0 auto; padding:0 22px; }
header.site { border-bottom:2px solid #cdb98f; padding:16px 0; }
header.site .wrap { display:flex; align-items:baseline; justify-content:space-between; }
.logo { font-weight:700; font-size:19px; text-decoration:none; color:var(--ink); }
.logo span { color:var(--accent); }
nav a { color:var(--muted); text-decoration:none; margin-left:18px; font-size:14px; font-family:-apple-system,sans-serif; }
nav a:hover { color:var(--accent); }
h1 { font-size:clamp(30px,5vw,46px); line-height:1.15; margin:38px 0 14px; font-weight:700; letter-spacing:-0.01em; }
.lede { color:#44403c; font-size:18px; max-width:640px; }
.asof { font-size:13px; color:var(--muted); font-family:-apple-system,sans-serif; }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:26px; margin:26px 0; box-shadow:0 3px 14px rgba(120,80,20,0.07); }
label { font-weight:700; font-size:14px; font-family:-apple-system,sans-serif; }
input { font-size:22px; font-weight:700; padding:11px 15px; width:230px; border:1.5px solid var(--line); border-radius:10px; background:#fff; margin:8px 0 4px; font-family:Georgia,serif; }
input:focus { outline:none; border-color:var(--accent); }
.chips button { border:1px solid #cdb98f; background:#fdfcf9; color:#57534e; padding:6px 14px; margin:4px 6px 0 0; font-size:13px; cursor:pointer; border-radius:8px; font-family:-apple-system,sans-serif; }
.chips button:hover { background:var(--accent); color:#fff; border-color:var(--accent); }
table { width:100%; border-collapse:collapse; margin:18px 0; font-size:15px; }
caption { text-align:left; font-size:13px; color:var(--muted); margin-bottom:10px; caption-side:top; font-family:-apple-system,sans-serif; }
th, td { text-align:left; padding:11px 12px; border-bottom:1px solid var(--line); }
th { font-size:12px; text-transform:uppercase; letter-spacing:0.06em; color:var(--muted); font-family:-apple-system,sans-serif; border-bottom:2px solid #cdb98f; }
td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; }
.muted { color:var(--muted); font-size:13px; }
.note { border-radius:10px; padding:14px 18px; background:#fbf3e6; border:1px solid #ecd9b8; margin:16px 0; font-size:15px; }
h2 { font-size:28px; margin-top:46px; font-weight:700; }
h3 { font-size:18px; }
a { color:var(--accent); }
.faq dt { font-weight:700; margin-top:18px; }
.faq dd { margin:6px 0 0; color:#44403c; }
footer.site { border-top:2px solid #cdb98f; margin-top:56px; padding:24px 0 36px; font-size:13px; color:var(--muted); font-family:-apple-system,sans-serif; }
footer.site a { color:var(--muted); }
.cross { background:#fbf3e6; border:1px solid #ecd9b8; border-radius:12px; padding:14px 18px; font-size:15px; margin-top:18px; }
@media (max-width:560px){ .wrap{ padding:0 16px; } table{ font-size:13px; } }