/* Princeton This Week —— 版式与配色沿用原月历 HTML：衬线标题、等宽数字、类别色条卡片、橙色大学 / 蓝色市镇 */
:root {
  --bg: #f5f4f1; --surface: #ffffff; --ink: #1d1b19; --muted: #6c6660; --line: #e2ddd7;
  --accent: #c8601a; --navy: #1d2a3a;
  --c-show: #6a4fb3; --c-talk: #0f7a73; --c-sport: #c8601a; --c-faith: #9a7a1c; --c-film: #b03a5b; --c-market: #3d7a1f;
  --c-town: #0b5fa5; --town-bg: #e5f0fb;
  --warn-bg: #fff4e0; --warn-ink: #8a5300;
  --font-display: "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --shadow: 0 1px 2px rgba(29, 27, 25, .04), 0 4px 16px rgba(29, 27, 25, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171513; --surface: #211e1b; --ink: #f1ece6; --muted: #a59d94; --line: #36312c;
    --accent: #f08a3e; --navy: #0f1620;
    --c-show: #a892ec; --c-talk: #4cc3b8; --c-sport: #f08a3e; --c-faith: #d6b453; --c-film: #ec7d9c; --c-market: #8fcf6e;
    --c-town: #8cc4ff; --town-bg: #15283d; --warn-bg: #3a2a10; --warn-ink: #f5c675;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
html { scroll-padding-top: 76px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.6; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- 顶部导航 ---- */
nav.site { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
nav.site .bar { max-width: 1080px; margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 18px; white-space: nowrap; }
.logo img { border-radius: 6px; }
nav.site .links { display: flex; gap: 18px; font-size: 14px; margin-left: 8px; }
nav.site .links a { text-decoration: none; color: var(--muted); }
nav.site .links a:hover { color: var(--accent); }
nav.site .langs { margin-left: auto; display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; font-size: 13px; }
nav.site .langs > * { padding: 4px 12px; text-decoration: none; }
nav.site .langs b { background: var(--ink); color: var(--bg); font-weight: 600; }
nav.site .langs a:hover { background: var(--bg); }
@media (max-width: 760px) { nav.site .links { display: none; } nav.site .bar { gap: 12px; } .logo span { font-size: 16px; } }
.langs .short { display: none; }
@media (max-width: 480px) { .langs .full { display: none; } .langs .short { display: inline; } nav.site .langs > * { padding: 4px 9px; } .logo span { font-size: 15px; } .hero .inner { padding-top: 36px; } }

/* ---- 首屏 ---- */
.hero { background:
    radial-gradient(1200px 400px at 85% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
    linear-gradient(180deg, var(--surface), var(--bg));
  border-bottom: 1px solid var(--line); }
.hero .inner { max-width: 1080px; margin: 0 auto; padding: 56px 20px 44px; display: grid; gap: 14px; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--accent); text-transform: uppercase; }
.hero h1 { font-family: var(--font-display); font-size: clamp(32px, 5.4vw, 54px); line-height: 1.15; margin: 0; text-wrap: balance; max-width: 18ch; }
.lede { color: var(--muted); max-width: 62ch; margin: 0; font-size: 16px; }
.stats { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 6px; color: var(--muted); font-size: 14px; }
.stats b { font-family: var(--font-mono); font-size: 26px; color: var(--ink); margin-right: 4px; font-weight: 500; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn { display: inline-flex; align-items: center; padding: 11px 20px; border-radius: 8px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--line); background: var(--surface); }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.06); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 20px 56px; display: grid; gap: 28px; }
.wrap > *, .hero .inner > * { min-width: 0; }
.sechead { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: -10px; }
.sechead h2 { font-family: var(--font-display); font-size: 24px; margin: 0; }
.sechead p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---- 8 天日期条 ---- */
.weekbox { margin-top: -54px; }
.strip { display: grid; grid-template-columns: repeat(8, minmax(84px, 1fr)); gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 10px 12px; display: grid; gap: 2px; text-decoration: none; box-shadow: var(--shadow); transition: border-color .12s, transform .12s; }
.tile:hover { border-color: var(--accent); transform: translateY(-1px); }
.tile .dow { font-size: 12px; color: var(--muted); }
.tile .num { font-family: var(--font-mono); font-size: 26px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.tile .mon { font-size: 12px; color: var(--muted); margin-top: -2px; }
.tile .count { font-size: 12px; color: var(--muted); margin-top: 4px; }
.tile.today { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent), var(--shadow); }
.tile.today .dow { color: var(--accent); font-weight: 700; }
.tile.empty .num { color: var(--muted); }
.dots { display: flex; flex-wrap: wrap; gap: 3px; min-height: 8px; margin-top: 2px; }
.dots i { width: 7px; height: 7px; border-radius: 50%; display: block; }

/* ---- 精选 ---- */
.featured { display: grid; gap: 16px; }
.fgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.fcard { background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--cat); border-radius: 10px; padding: 16px; display: grid; gap: 8px; align-content: start; box-shadow: var(--shadow); }
.fcard .fdate { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--muted); font-family: var(--font-mono); }
.fcard h3 { font-family: var(--font-display); font-size: 18px; line-height: 1.35; margin: 0; }
.fcard h3 a { text-decoration: none; }
.fcard h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.fcard .meta { font-size: 12px; }
.fcard p { margin: 0; font-size: 14px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---- 筛选 ---- */
.filterbox { display: grid; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.filterbox .hint { margin: 0; font-size: 13px; color: var(--muted); }
.frow { display: grid; grid-template-columns: 64px 1fr; gap: 8px; align-items: start; }
.frow .label { font-size: 14px; font-weight: 700; padding-top: 5px; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ctl { display: inline-flex; gap: 4px; margin-right: 6px; padding-right: 10px; border-right: 1px solid var(--line); }
.chip { font: inherit; font-size: 13px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 4px 12px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.chip.ctlbtn { font-size: 12px; padding: 3px 10px; background: var(--bg); text-decoration: underline; text-underline-offset: 2px; }
.chip.opt { padding: 5px 12px; gap: 7px; transition: all .12s; }
.chip.opt i { width: 10px; height: 10px; border-radius: 50%; display: block; background: var(--chipc); border: 2px solid var(--chipc); }
.chip.opt i.sq { border-radius: 2px; }
.chip.opt:hover, .chip.ctlbtn:hover { box-shadow: 0 0 0 2px color-mix(in srgb, var(--chipc, var(--accent)) 45%, transparent); }
.chip.opt[aria-pressed="true"] { background: color-mix(in srgb, var(--chipc) 16%, var(--surface)); border: 1.5px solid var(--chipc); font-weight: 700; }
.chip.opt[aria-pressed="false"] { background: transparent; border: 1.5px dashed var(--line); color: var(--muted); opacity: .5; font-weight: 400; }
.chip.opt[aria-pressed="false"] i { background: transparent; border-color: var(--muted); }
.chip .n { color: var(--muted); font-size: 12px; font-weight: 400; }
@media (max-width: 640px) { .frow { grid-template-columns: 1fr; } }

/* ---- 按天列表 ---- */
#agenda { display: grid; gap: 30px; }
.day { display: grid; gap: 10px; }
.day h2 { font-family: var(--font-display); font-size: 21px; margin: 0; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; padding-bottom: 6px; border-bottom: 2px solid var(--line); }
.day h2 small { font-family: var(--font-body); font-weight: 400; font-size: 13px; color: var(--muted); }
.day h2 .up { margin-left: auto; font-family: var(--font-body); font-size: 13px; font-weight: 400; color: var(--muted); text-decoration: none; }
.day h2 .up:hover { color: var(--accent); }
.today-badge { font-family: var(--font-body); font-size: 12px; font-weight: 600; background: var(--accent); color: #fff; padding: 1px 9px; border-radius: 999px; }
.events { display: grid; gap: 8px; }
.ev { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--cat); border-radius: 8px; padding: 14px 16px; display: grid; grid-template-columns: 112px 1fr; gap: 4px 16px; transition: box-shadow .12s; }
.ev:hover { box-shadow: var(--shadow); }
.ev[hidden] { display: none; }
.ev .time { font-family: var(--font-mono); font-size: 14px; font-variant-numeric: tabular-nums; padding-top: 2px; }
.ev .body { display: grid; gap: 6px; min-width: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ev .title { font-weight: 700; font-size: 16px; line-height: 1.4; }
.ev .title a { text-decoration: none; }
.ev .title a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.ev .en { color: var(--muted); font-size: 13px; margin-top: -4px; }
.ev .intro { margin: 0; font-size: 14px; max-width: 70ch; }
.cancelled .title a { text-decoration: line-through; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); align-items: baseline; }
a.tix { color: var(--accent); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
a.tix:hover { text-decoration-thickness: 2px; }
.tag { font-size: 12px; padding: 1px 8px; border-radius: 4px; background: color-mix(in srgb, var(--cat) 14%, transparent); color: var(--cat); width: fit-content; }
.star { font-size: 12px; padding: 1px 8px; border-radius: 4px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-weight: 600; }
.flag { font-size: 12px; padding: 2px 8px; border-radius: 4px; background: var(--warn-bg); color: var(--warn-ink); width: fit-content; }
.runline { font-size: 12px; padding: 2px 8px; border-radius: 4px; background: color-mix(in srgb, var(--cat) 12%, transparent); width: fit-content; }
.loc-town, .loc-pu { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: baseline; border-radius: 4px; padding: 1px 8px; }
.loc-town { background: var(--town-bg); color: var(--c-town); font-weight: 500; }
.loc-town b { color: var(--c-town); }
.loc-pu { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--ink); }
.loc-pu b { color: var(--accent); }
.none { color: var(--muted); font-size: 14px; padding: 12px 16px; border: 1px dashed var(--line); border-radius: 8px; margin: 0; }
@media (max-width: 560px) { .ev { grid-template-columns: 1fr; } }

/* ---- 订阅色块 ---- */
.band { background: var(--navy); color: #f1ece6; }
.band .inner { max-width: 1080px; margin: 0 auto; padding: 48px 20px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: center; }
.band h2 { font-family: var(--font-display); font-size: clamp(26px, 3.6vw, 36px); margin: 0 0 8px; }
.band p { margin: 0; color: #c9c1b8; }
.band form { display: grid; grid-template-columns: 1fr auto; gap: 10px 12px; align-items: end; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: 12px; padding: 18px; }
.band label { display: grid; gap: 4px; font-size: 13px; color: #c9c1b8; }
.band input, .band select { font: inherit; padding: 10px 12px; border: 1px solid rgba(255, 255, 255, .2); border-radius: 8px; background: #fff; color: #1d1b19; }
.band .cf-turnstile { grid-column: 1 / -1; }
.band button, .msg button { font: inherit; font-weight: 600; padding: 11px 22px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer; }
.band button:hover, .msg button:hover { filter: brightness(1.06); }
.band .note { grid-column: 1 / -1; font-size: 13px; }
@media (max-width: 760px) { .band .inner { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .band form { grid-template-columns: 1fr; } }

/* ---- 提示页 ---- */
.msg { max-width: 640px; margin: 0 auto; padding: 56px 20px; }
.msg .card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 28px 28px 20px; box-shadow: var(--shadow); }
.msg h1 { font-family: var(--font-display); font-size: 28px; margin: 0 0 12px; }
.msg .back { margin-top: 20px; font-size: 14px; }

/* ---- 页脚 ---- */
footer.site { border-top: 1px solid var(--line); background: var(--surface); }
footer.site .cols { max-width: 1080px; margin: 0 auto; padding: 32px 20px 8px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 28px; font-size: 13px; color: var(--muted); }
footer.site h3 { font-family: var(--font-display); font-size: 15px; color: var(--ink); margin: 0 0 8px; }
footer.site p { margin: 0 0 8px; }
footer.site .copy { max-width: 1080px; margin: 0 auto; padding: 8px 20px 28px; font-size: 12px; color: var(--muted); }
@media (max-width: 760px) { footer.site .cols { grid-template-columns: 1fr; } }