:root{
  --red:#e8473c; --red-d:#c2352b; --orange:#ff9f1c; --yellow:#fff3c4; --ink:#1f2328; --muted:#5f6b76;
  --bg:#faf7f2; --card:#fff; --line:#ece6dc; --run:#ffe7d6; --wkd:#f1f3f5; --radius:16px;
  --shadow:0 6px 24px rgba(31,35,40,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"PingFang TC","Noto Sans TC","Noto Sans CJK TC","Microsoft JhengHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--red-d)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}
.muted{color:var(--muted)} .small{font-size:.85rem}

/* hero */
.hero{background:linear-gradient(135deg,#ff6b4a 0%,var(--red) 45%,#b8326f 100%);color:#fff;padding:0 16px 40px;position:relative;overflow:hidden}
.hero::after{content:"🏖️ ✈️ 🧳 🏮 🎑";position:absolute;right:-10px;bottom:-14px;font-size:64px;opacity:.12;letter-spacing:8px;white-space:nowrap}
.topnav{display:flex;gap:6px;overflow-x:auto;padding:12px 0;max-width:1080px;margin:0 auto;scrollbar-width:none}
.topnav a{color:#fff;text-decoration:none;font-size:.9rem;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.15);white-space:nowrap}
.topnav a:hover{background:rgba(255,255,255,.28)}
.hero-inner{max-width:1080px;margin:0 auto;padding-top:20px}
.eyebrow{margin:0;font-weight:600;opacity:.9;letter-spacing:.1em}
h1{font-size:clamp(2rem,8vw,3.6rem);line-height:1.15;margin:.2em 0 .3em;font-weight:900}
.lead{font-size:clamp(1rem,3.6vw,1.25rem);margin:0 0 20px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:620px}
.stat{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:14px;padding:12px 8px;text-align:center;display:flex;flex-direction:column}
.stat .big{font-size:clamp(1.1rem,4.5vw,1.6rem);font-weight:900}
.stat span:last-child{font-size:.85rem;opacity:.9}
.source-badge{margin:18px 0 0;font-size:.85rem;background:rgba(0,0,0,.18);display:inline-block;padding:8px 12px;border-radius:10px}
.source-badge a{color:#fff}

/* sections */
main{max-width:1080px;margin:-20px auto 0;padding:0 12px 40px;position:relative}
.card-section{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 16px;margin:16px 0}
.card-section h2{font-size:1.3rem;margin:0 0 8px}
.highlight{background:linear-gradient(180deg,#fff8e6,#fff);border:2px solid #ffd77a}

/* table */
.table-wrap{overflow-x:auto}
.hol-table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:560px}
.hol-table th,.hol-table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.hol-table thead th{font-size:.8rem;color:var(--muted);font-weight:600}
.hol-table tbody th{white-space:nowrap}
.num{white-space:nowrap}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--wkd);font-weight:700}
.pill.long{background:var(--red);color:#fff}

/* top3 */
.top3{list-style:none;padding:0;margin:8px 0;display:grid;gap:10px}
.top-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border-radius:12px;padding:12px;border:1px solid var(--line)}
.medal{font-size:2rem;line-height:1}
.top-item p{margin:4px 0 0;color:var(--muted);font-size:.92rem}
.ratio{display:inline-block;margin-left:8px;font-size:.78rem;font-weight:700;color:var(--red-d);background:#ffe9e6;padding:1px 8px;border-radius:999px;vertical-align:middle}

/* strategies */
.group h3{font-size:1.05rem;margin:18px 0 8px;padding-left:10px;border-left:4px solid var(--red)}
.cards{display:grid;grid-template-columns:1fr;gap:10px}
.strat{position:relative;display:block;cursor:pointer}
.strat input{position:absolute;opacity:0;pointer-events:none}
.strat-body{border:1.5px solid var(--line);border-radius:12px;padding:12px 12px 40px;height:100%;transition:.15s;background:#fff}
.strat.star .strat-body{border-color:#ffd77a;background:#fffdf5}
.strat:hover .strat-body{border-color:var(--orange)}
.strat input:focus-visible + .strat-body{outline:3px solid var(--orange)}
.strat input:checked + .strat-body{border-color:var(--red);background:#fff4f2;box-shadow:0 0 0 2px rgba(232,71,60,.15)}
.strat-head{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.formula{font-size:1.35rem;font-weight:900;color:var(--red-d)}
.tag{font-size:.72rem;background:var(--orange);color:#fff;border-radius:6px;padding:1px 6px;font-weight:700}
.strat p{margin:4px 0 0;font-size:.9rem}
.strat .leave{color:var(--muted)}
.strat .tip{color:#8a5a00}
.add{position:absolute;right:12px;bottom:10px;font-size:.8rem;font-weight:700;color:var(--muted)}
.add::before{content:"＋ "}
.strat input:checked + .strat-body .add{color:var(--red)}
.strat input:checked + .strat-body .add::before{content:"✓ 已"}

/* plan bar */
.plan-bar{position:sticky;bottom:10px;z-index:5;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;border:2px solid var(--red)}
.plan-bar h2{font-size:1rem;margin:0}
.plan-bar p{margin:2px 0 0;font-size:.92rem}
.plan-actions{display:flex;gap:8px}
.btn{appearance:none;border:0;background:var(--red);color:#fff;font:inherit;font-weight:700;padding:10px 16px;border-radius:999px;cursor:pointer;text-decoration:none;display:inline-block}
.btn:hover{background:var(--red-d)}
.btn.ghost{background:transparent;color:var(--red-d);border:1.5px solid var(--red)}
.big-btn{font-size:1.15rem;padding:14px 28px;background:linear-gradient(135deg,#ff9f1c,#e8473c)}

/* planner */
.planner-label{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:700}
select{font:inherit;font-size:1.1rem;padding:6px 10px;border-radius:10px;border:1.5px solid var(--line)}
.planner-results{padding-left:1.4em}
.planner-results li{margin:8px 0}

/* calendar */
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.85rem;color:var(--muted);margin-bottom:10px}
.lg{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:-2px;margin-right:4px}
.lg.hol{background:var(--red)} .lg.wkd{background:var(--wkd);border:1px solid #dde1e5}
.lg.leave{background:var(--orange)} .lg.run{background:var(--run);border:1px solid #ffcfae}
.year-cal{display:grid;grid-template-columns:1fr;gap:14px}
.month h3{margin:0 0 6px;font-size:1rem}
.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}
.dow{text-align:center;font-size:.72rem;color:var(--muted);padding:2px 0}
.day{aspect-ratio:1/1;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.9rem;background:#fff;border:1px solid var(--line);line-height:1.1;overflow:hidden}
.day small{font-size:.55rem;margin-top:1px;white-space:nowrap;max-width:100%;overflow:hidden}
.day.empty{background:transparent;border:0}
.day.wkd{background:var(--wkd);color:#6b7680}
.day.run{background:var(--run);border-color:#ffcfae}
.day.hol{background:var(--red);color:#fff;border-color:var(--red);font-weight:700}
.day.leave{background:var(--orange);color:#fff;border-color:var(--orange);font-weight:700}

/* donate & comments */
.donate{text-align:center;background:linear-gradient(180deg,#fff,#fff6ea)}
.donate p{max-width:560px;margin:8px auto}
.todo-note{background:#fff3c4;border:1px dashed #d4a300;border-radius:10px;padding:10px 12px;font-size:.88rem;color:#6b5200;text-align:left}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.comment-form{display:flex;flex-direction:column;gap:10px;margin:12px 0}
.comment-form input,.comment-form textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;width:100%}
.comment-form textarea{resize:vertical}
.comment-actions{display:flex;justify-content:space-between;align-items:center;gap:8px}
.comment-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.comment{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.comment-head{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.comment p{margin:4px 0 0;white-space:pre-wrap;word-break:break-word}
details{border-bottom:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-weight:700}
details p{margin:8px 0 0;color:var(--muted)}

.site-footer{text-align:center;font-size:.8rem;color:var(--muted);padding:20px 16px 90px;max-width:900px;margin:0 auto}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:.9rem;z-index:20}

@media (min-width:640px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .year-cal{grid-template-columns:repeat(2,1fr)}
  .card-section{padding:24px}
}
@media (min-width:960px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .year-cal{grid-template-columns:repeat(4,1fr)}
  .day small{font-size:.5rem}
  .day{font-size:.8rem}
  .top3{grid-template-columns:repeat(3,1fr)}
  .top-item{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* mobile refinements */
@media (max-width:639px){
  .plan-bar{padding:10px 12px;gap:8px;flex-wrap:nowrap}
  .plan-bar h2{display:none}
  .plan-bar p{font-size:.82rem;margin:0}
  .plan-actions .btn{padding:8px 12px;font-size:.85rem;white-space:nowrap}
  .plan-actions .ghost{display:none}
  .hol-table{min-width:0}
  .hol-table thead{display:none}
  .hol-table tr{display:grid;grid-template-columns:1fr auto;gap:2px 8px;padding:10px 0;border-bottom:1px solid var(--line)}
  .hol-table th,.hol-table td{border:0;padding:0}
  .hol-table tbody th{grid-column:1;white-space:normal}
  .hol-table td.num{grid-column:2;grid-row:1 / span 2;align-self:center}
  .hol-table td:nth-of-type(1){grid-column:1;font-weight:600;color:var(--red-d)}
  .hol-table td:last-child{grid-column:1 / -1;color:var(--muted);font-size:.85rem}
}