:root{
  --ink:#1C2321;
  --paper:#F3F5F2;
  --card:#FFFFFF;
  --line:#CBD3CE;
  --muted:#56625C;
  --pepper:#B3262E;   /* 城市影音創作：花椒紅 */
  --emei:#2F6B5E;     /* 巴蜀文化探索：峨眉青 */
  --lake:#3D6E9E;     /* 浙江：西湖藍 */
  --c:var(--ink);     /* 各活動頁的主色 */
  --serif:"Noto Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --wrap:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit}
a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--c,#1C2321);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);font-weight:900;line-height:1.3;margin:0}
h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:24px}
h3{font-size:21px;font-weight:700}
p{margin:0 0 1em}
.muted{color:var(--muted)}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(243,245,242,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.brand{font-family:var(--serif);font-weight:900;font-size:18px;text-decoration:none;white-space:nowrap}
.nav{display:flex;gap:20px;font-size:15px;overflow-x:auto}
.nav a{text-decoration:none;color:var(--muted);white-space:nowrap}
.nav a:hover{color:var(--ink)}

section{padding:72px 0}
section+section{border-top:1px solid var(--line)}

/* home hero */
.hero{padding:64px 0 56px}
.hero h1{font-size:clamp(34px,5.6vw,64px);letter-spacing:.01em;max-width:15em}
.hero .lead{font-size:19px;color:var(--muted);max-width:36em;margin-top:20px}

/* calendar strip — the one memorable element */
.cal{margin-top:44px;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:22px 20px 18px;overflow-x:auto}
.cal-title{font-family:var(--serif);font-weight:700;font-size:16px;margin-bottom:12px}
.cal-grid{display:grid;grid-template-columns:repeat(31,minmax(26px,1fr));min-width:820px;position:relative}
.cal-day{text-align:center;font-size:13px;color:var(--muted);padding:6px 0;border-left:1px solid #E3E8E5}
.cal-day:first-child{border-left:0}
.cal-day .w{display:block;font-size:11px;opacity:.75}
.cal-bands{display:grid;grid-template-columns:repeat(31,minmax(26px,1fr));min-width:820px;margin-top:6px;row-gap:6px}
.band{color:#fff;font-size:14px;font-weight:500;padding:8px 10px;border-radius:4px;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.band:hover{filter:brightness(1.08)}
.band.bundle{background:transparent;color:var(--ink);border:1.5px dashed var(--ink);font-weight:700;text-align:center}
.cal-note{font-size:14px;color:var(--muted);margin-top:12px}

/* program panels on home */
.panels{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.panel{background:var(--card);border-top:6px solid var(--c);padding:28px 28px 30px;display:flex;flex-direction:column}
.panel .short{font-family:var(--serif);font-weight:900;font-size:34px;color:var(--c);line-height:1.2}
.panel .name{font-size:15px;color:var(--muted);margin:6px 0 16px}
.facts{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:15px;margin:0 0 18px}
.facts dt{color:var(--muted)}
.facts dd{margin:0}
.panel ul{margin:0 0 20px;padding-left:1.2em}
.panel li{margin:2px 0}
.price-line{margin-top:auto;font-size:15px;color:var(--muted)}
.price-line strong{display:block;font-family:var(--serif);font-size:30px;color:var(--ink)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.btn{display:inline-block;padding:11px 20px;border-radius:4px;text-decoration:none;font-weight:500;font-size:16px;border:1.5px solid var(--c);color:var(--c);background:transparent;cursor:pointer;font-family:var(--sans)}
.btn.solid{background:var(--c);color:#fff}
.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed}
.coming{margin-top:28px;border:1.5px dashed var(--lake);padding:18px 24px;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;color:var(--lake)}
.coming strong{font-family:var(--serif);font-size:20px}

/* comparison table */
.tbl{width:100%;border-collapse:collapse;background:var(--card);font-size:15px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.tbl thead th{font-family:var(--serif);font-size:17px;border-bottom:2px solid var(--ink)}
.tbl tbody th{color:var(--muted);font-weight:500;white-space:nowrap;width:8em}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto}

/* calculator */
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.calc form{background:var(--card);padding:24px;display:grid;gap:18px}
.calc fieldset{border:0;padding:0;margin:0}
.calc legend{font-weight:500;margin-bottom:6px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg label{border:1.5px solid var(--line);border-radius:4px;padding:7px 14px;cursor:pointer;font-size:15px;background:#fff}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg input:checked+span{font-weight:700}
.seg label:has(input:checked){border-color:var(--ink);background:var(--ink);color:#fff}
.seg label:has(input:focus-visible){outline:3px solid var(--ink);outline-offset:2px}
.result{background:var(--ink);color:#fff;padding:26px}
.result .big{font-family:var(--serif);font-size:44px;font-weight:900;line-height:1.2}
.result ul{padding-left:1.2em;margin:12px 0 0;font-size:15px;opacity:.9}
.rules{margin-top:28px;padding-left:1.2em}
.rules li{margin:4px 0}

/* faq */
details{background:var(--card);border-left:4px solid var(--c,var(--ink));margin-bottom:10px;padding:0 20px}
summary{cursor:pointer;padding:16px 0;font-weight:500;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"＋";display:inline-block;width:1.5em;color:var(--muted)}
details[open] summary::before{content:"－"}
details p{padding:0 0 16px 1.5em;color:#2E3834}

/* program page */
.p-hero{background:var(--c);color:#fff;padding:56px 0 48px}
.p-hero a.back{color:#fff;opacity:.85;font-size:15px}
.p-hero h1{font-size:clamp(30px,4.6vw,52px);margin:14px 0 10px}
.p-hero .tag{font-size:19px;opacity:.92;max-width:34em}
.p-facts{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:34px;border-top:1px solid rgba(255,255,255,.35)}
.p-facts div{padding:14px 16px 0 0}
.p-facts span{display:block;font-size:13px;opacity:.8}
.p-facts b{font-size:17px;font-weight:500}
.p-hero .btn{border-color:#fff;color:#fff}
.p-hero .btn.solid{background:#fff;color:var(--c)}
.hl{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.hl div{border-top:2px solid var(--c);padding:16px 0 22px}
.hl h3{color:var(--c);margin-bottom:6px}
.hl p{margin:0;color:#2E3834}
.extras{margin-top:20px;padding-left:1.2em}
.days{list-style:none;margin:0;padding:0}
.days>li{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.days .d{font-family:var(--serif);font-weight:900;color:var(--c);font-size:22px;line-height:1.2}
.days .d small{display:block;font-family:var(--sans);font-weight:400;font-size:14px;color:var(--muted)}
.days h3{font-size:19px;margin-bottom:4px}
.days ul{margin:0;padding-left:1.2em;color:#2E3834}
.inc{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.inc div{background:var(--card);padding:18px 20px}
.inc h3{font-size:17px;margin-bottom:6px}
.cta{background:var(--card);border-left:6px solid var(--c);padding:28px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
.cta p{margin:0}

footer{background:var(--ink);color:#DDE3E0;padding:48px 0;font-size:15px}
footer h2{color:#fff;font-size:24px;margin-bottom:14px}
footer a{color:#fff}
footer .org{margin-top:18px;opacity:.75}

/* additions (2026-11-08) */
.kicker{font-size:15px;color:var(--muted);letter-spacing:.08em;margin-bottom:14px}
.cal-day.we{color:var(--ink);font-weight:500}
.seg label{position:relative}
.seg label:has(input:disabled){opacity:.45;cursor:not-allowed}
.calc .hint{font-size:14px;color:var(--muted);margin:6px 0 0}
.result .label{font-size:15px;opacity:.8}
.result .fine{font-size:14px;opacity:.75;margin:16px 0 0}
.faq-tag{display:inline-block;font-size:12px;color:#fff;background:var(--c);border-radius:3px;padding:1px 7px;margin-right:8px;vertical-align:2px;font-weight:500}
.sub{font-size:15px;color:var(--muted);margin:-12px 0 24px}
.tbl caption{text-align:left;font-family:var(--serif);font-weight:700;font-size:18px;padding:0 0 10px}
.scroll + .scroll{margin-top:32px}
.bundle-box{margin-top:28px;border:1.5px dashed var(--ink);padding:20px 24px;background:var(--card)}
.bundle-box h3{font-size:19px;margin-bottom:6px}
.bundle-box p{margin:0}
.tbl tr.hi td{font-weight:700;color:var(--c)}

@media (max-width:820px){
  body{font-size:16px}
  section{padding:52px 0}
  .panels,.calc,.hl,.inc{grid-template-columns:1fr}
  .p-facts{grid-template-columns:1fr 1fr}
  .days>li{grid-template-columns:1fr;gap:6px}
  .nav{gap:14px;font-size:14px}
  .brand{font-size:16px}
}
@media (max-width:520px){
  .top .wrap{flex-direction:column;align-items:flex-start;gap:0;padding-top:8px;padding-bottom:6px}
  .result .big{font-size:36px}
}