:root{
  --ink:#1c1a19;--paper:#fffefc;--red:#c8231c;--red-soft:#fbeeec;--mute:#6f6a66;--line:rgba(28,26,25,.1);
  --hb:255px 15px 225px 15px/15px 225px 15px 255px;
}
:root{--xi:'Zhi Mang Xing','Liu Jian Mao Cao',cursive}
html[data-l="zh"]{--body:'LXGW WenKai TC','Noto Serif TC',serif;--hand:'LXGW WenKai TC','Iansui',cursive;--brush:'Zhi Mang Xing','LXGW WenKai TC',cursive;--bs:1.12rem}
html[data-l="de"],html[data-l="en"]{--body:'Lora','Noto Serif',serif;--hand:'Caveat',cursive;--brush:'Caveat',cursive;--bs:1rem}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:var(--bs);line-height:1.85;min-height:100vh;
  background-image:radial-gradient(60% 40% at 0% 0%,rgba(28,26,25,.055),transparent 70%),radial-gradient(50% 35% at 100% 100%,rgba(200,35,28,.045),transparent 70%)}
h1,h2,h3,p{margin:0}
.hand{font-family:var(--hand)}
html[data-l="de"] .hand,html[data-l="en"] .hand{font-weight:500}
.ink{filter:url(#ink)}

/* gate */
.gate{min-height:100vh;display:flex;flex-direction:column;align-items:center;max-width:560px;margin:0 auto;padding:0 16px 40px}
.cover{width:calc(100% + 32px);margin:0 -16px}
.art{position:relative;aspect-ratio:1376/768;overflow:hidden;
  -webkit-mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent),linear-gradient(to bottom,transparent,#000 6%,#000 88%,transparent);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent),linear-gradient(to bottom,transparent,#000 6%,#000 88%,transparent);mask-composite:intersect}
.art.short{aspect-ratio:2/1}
.art img{display:block;width:100%;height:100%;object-fit:cover}
.art .route{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}

/* wax seal on the gate */
.wax{position:relative;width:96px;height:96px;margin:-24px auto 6px;z-index:3;filter:drop-shadow(0 4px 3px rgba(28,26,25,.28))}
.wax .half{position:absolute;inset:0;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fffefc;filter:url(#ink);
  background:radial-gradient(circle at 34% 28%,#dc3a31,#b3201a 68%,#9c1a14);box-shadow:inset 0 0 0 5px rgba(255,255,255,.14),inset 0 0 0 10px rgba(0,0,0,.07)}
.wax b{font:700 50px/1 'LXGW WenKai TC','Iansui',serif}
.wax .cr{position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-4px 0 0 -4px;background:#8aa7e6;border-radius:50%;box-shadow:5px 0 0 #9db6ee,-5px 0 0 #b6c6f0,0 5px 0 #8aa7e6,0 -5px 0 #9db6ee;opacity:0;transform:scale(.6)}
.wax.break{animation:lift 1s cubic-bezier(.3,.1,.6,1) forwards}
.wax.break .cr{animation:petal 1s ease-out .12s forwards}
.wax.shake{animation:shake .42s ease}
@keyframes lift{0%{transform:none;opacity:1;filter:drop-shadow(0 4px 3px rgba(28,26,25,.28))}22%{transform:translateY(3px) scale(.96)}100%{transform:translateY(-64px) scale(1.22) rotate(7deg);opacity:0;filter:drop-shadow(0 22px 10px rgba(28,26,25,.12))}}
@keyframes petal{0%{opacity:1;transform:translate(0,0) scale(.6) rotate(0)}100%{opacity:0;transform:translate(var(--x),var(--y)) scale(1.1) rotate(var(--r))}}
@keyframes shake{0%,100%{transform:none}20%{transform:translateX(-8px) rotate(-4deg)}40%{transform:translateX(7px) rotate(3deg)}60%{transform:translateX(-5px) rotate(-2deg)}80%{transform:translateX(3px)}}
.gate{transition:opacity .35s ease}.gate.out{opacity:0}
.wrap{animation:rise .8s ease both}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.wax.break,.wax.break .cr,.wax.shake,.wrap{animation:none}}
.gate-body{text-align:center;width:100%;margin-top:6px}
.title{font-family:var(--brush);font-size:clamp(2.6rem,11vw,3.6rem);line-height:1.15;font-weight:400}
html[data-l="de"] .title,html[data-l="en"] .title{font-weight:700;font-size:clamp(2.6rem,10vw,3.4rem)}
.tag{font-family:var(--hand);color:var(--red);font-size:1.15rem;line-height:1.5;margin:6px auto 14px;max-width:26em}
html[data-l="de"] .tag,html[data-l="en"] .tag{font-size:1.45rem;line-height:1.3}
.sub{color:#4a4642;margin:0 auto 22px;max-width:26em;font-size:.95em;line-height:1.75}
.field{display:block;width:100%;max-width:340px;margin:0 auto 12px;padding:13px 14px;border:1.6px solid var(--ink);border-radius:var(--hb);background:#fff;
  font:500 1.05rem/1.2 ui-monospace,Menlo,monospace;letter-spacing:.14em;text-align:center;text-transform:uppercase;color:var(--ink);outline:none}
.field::placeholder{color:#b8b2ac;letter-spacing:.06em;font-family:var(--body);text-transform:none}
.field:focus{box-shadow:0 0 0 3px rgba(200,35,28,.18)}
.btn{display:block;width:100%;max-width:340px;margin:0 auto;padding:13px;border:0;border-radius:var(--hb);background:var(--red);color:#fffefc;
  font-family:var(--hand);font-size:1.25rem;font-weight:700;cursor:pointer;letter-spacing:.06em;transition:transform .15s}
.btn:active{transform:scale(.98)}.btn[disabled]{opacity:.6}
.err{min-height:1.6em;margin:10px auto 0;color:var(--red);font-size:.9em}
.hintline{margin-top:26px;font-family:var(--hand);color:var(--mute);font-size:1.05rem}

/* seal overlay */
.seal{position:fixed;inset:0;z-index:20;background:var(--paper);display:flex;align-items:center;justify-content:center;animation:sealOut .5s ease 1.15s forwards}
.seal .stamp{width:120px;height:120px;font-size:84px;animation:press .7s cubic-bezier(.2,1.4,.4,1) both}
@keyframes press{0%{transform:scale(2.2) rotate(-14deg);opacity:0}60%{opacity:1}100%{transform:scale(1) rotate(-6deg);opacity:1}}
@keyframes sealOut{to{opacity:0;visibility:hidden}}
.stamp{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;background:var(--red);color:var(--paper);border-radius:5px;
  font-family:'LXGW WenKai TC','Iansui',serif;font-weight:700;font-size:32px;line-height:1;transform:rotate(-6deg);filter:url(#ink);flex:none}

/* letter */
.wrap{max-width:640px;margin:0 auto;padding:0 16px 64px}
.top{margin:0 -16px;position:relative}
.toc{position:sticky;top:0;z-index:15;margin:0 -16px;padding:10px 10px 12px;display:flex;justify-content:space-evenly;gap:4px;align-items:center;overflow-x:auto;scrollbar-width:none;
  background:rgba(255,254,252,.93);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.toc::-webkit-scrollbar{display:none}
.chip{flex:none;padding:3px 12px;border:1.4px solid var(--ink);border-radius:var(--hb);background:#fff;color:var(--ink);font-family:var(--hand);font-size:1.08rem;font-weight:700;
  text-decoration:none;white-space:nowrap;transform:rotate(-1.2deg);box-shadow:2px 2px 0 rgba(28,26,25,.08);transition:transform .18s,background .2s,color .2s}
.chip:nth-of-type(even){transform:rotate(1deg)}
.chip.on{background:var(--red);border-color:var(--red);color:var(--paper);transform:rotate(0) scale(1.06)}
html[data-l="de"] .chip,html[data-l="en"] .chip{font-size:1.3rem;padding:1px 11px}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.page{scroll-margin-top:64px}
.page{position:relative;margin:34px 0;opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.page.in{opacity:1;transform:none}
.sec{font-family:var(--brush);font-size:2.3rem;font-weight:400;line-height:1.2;margin:0 0 4px;display:flex;align-items:center;gap:10px}
html[data-l="de"] .sec,html[data-l="en"] .sec{font-size:2.3rem}
.sec .num{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;border:1.5px solid var(--red);border-radius:50%;color:var(--red);font-size:.55em;font-family:var(--hand);flex:none}
.lead{color:#4a4642;margin:0 0 16px;font-size:.95em;line-height:1.75}
.paper{border-left:2px solid rgba(200,35,28,.55);padding:2px 0 2px 16px;
  background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 33px,var(--line) 33px,var(--line) 34px)}
.paper p{line-height:34px;margin:0 0 0;padding-bottom:0}
.paper p+p{margin-top:34px}
.greet{font-family:var(--hand);font-size:1.7rem;font-weight:700;line-height:34px;margin:0 0 34px}
.personal{color:var(--red)}
.sign{display:flex;align-items:center;gap:14px;margin-top:34px}
.sign .hand{font-size:1.5rem;line-height:1.3;font-weight:700}

.card{position:relative;padding:16px 18px 14px;margin:0 0 18px;background:#fff;border:1.5px solid var(--ink);border-radius:var(--hb);box-shadow:3px 4px 0 rgba(28,26,25,.07)}
.card.red{border-color:var(--red);background:var(--red-soft)}
.card .hand.h{font-size:1.45rem;font-weight:700;line-height:1.25;margin-bottom:4px}
.card.red .h{color:var(--red)}
.card p{line-height:1.8;font-size:.97em}
.tape{position:absolute;top:-10px;left:26px;width:64px;height:18px;background:rgba(200,35,28,.26);transform:rotate(-4deg)}
.tape.r{left:auto;right:26px;transform:rotate(3deg);background:rgba(28,26,25,.14)}
.lab{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.72rem;letter-spacing:.08em;color:var(--mute);text-transform:uppercase}
.when{display:grid;grid-template-columns:1fr 1fr;gap:6px 16px}
.when .full{grid-column:1/-1}

.seatwrap{background:#fff;border:1.5px solid var(--ink);border-radius:var(--hb);padding:10px 6px 4px;margin-bottom:12px}
.seatwrap svg{display:block;width:100%;height:auto;overflow:visible}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.85em;color:#4a4642;margin:6px 0 4px}
.dot{display:inline-block;width:.8em;height:.8em;border-radius:50%;vertical-align:-.05em;margin-right:6px;border:1.2px solid var(--ink)}

.pc{margin:0 0 18px}
.pc .who{font-size:.88em;color:var(--mute);line-height:1.6;margin-bottom:8px}
.pc .q{margin:6px 0 0;padding-left:12px;border-left:2px solid var(--red)}
.pc .q b{font-family:var(--hand);font-weight:700;color:var(--red);font-size:1.05em;margin-right:4px}
.exit{background:var(--red);color:var(--paper);padding:14px 18px;transform:rotate(-1deg);margin:26px 0 6px;filter:url(#ink)}
.exit .hand{font-size:1.5rem;font-weight:700;line-height:1.2;margin-bottom:4px}
.exit p{line-height:1.75;font-size:.95em}
.exit p+p{margin-top:6px}

.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 20px}
.steps li{counter-increment:s;position:relative;padding:0 0 12px 42px;line-height:1.75}
.steps li::before{content:counter(s);position:absolute;left:0;top:3px;width:28px;height:28px;border:1.5px solid var(--red);border-radius:50%;color:var(--red);font-family:var(--hand);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.95rem;line-height:1}
.idea{text-align:center;padding:18px 18px 16px}
.idea-q{font-family:var(--hand);font-size:1.55rem;font-weight:700;line-height:1.4;min-height:2.8em;margin:6px 0 12px;display:flex;align-items:center;justify-content:center}
html[data-l="de"] .idea-q,html[data-l="en"] .idea-q{font-size:2.1rem;line-height:1.25}
html[data-l="de"] .steps li::before,html[data-l="en"] .steps li::before{font-size:1.2rem}
.drawbtn{padding:10px 22px;border:0;border-radius:var(--hb);background:var(--red);color:var(--paper);font-family:var(--hand);font-size:1.15rem;font-weight:700;cursor:pointer}
.drawbtn:active{transform:scale(.97)}.drawbtn[disabled]{opacity:.6}
.board{margin-top:34px}
.bh{font-family:var(--brush);font-weight:400;font-size:1.9rem;line-height:1.2;margin:0 0 6px}
html[data-l="de"] .bh,html[data-l="en"] .bh{font-size:2.2rem}
.ask{padding:14px 16px 10px;margin-bottom:12px}
.ask textarea{display:block;width:100%;border:0;outline:0;resize:none;background:transparent;font:inherit;line-height:1.7;color:var(--ink);padding:0}
.ask textarea::placeholder{color:#b8b2ac}
.askrow{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.notes{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px 18px;padding:14px 4px 6px}
.note{position:relative;background:#fffdf6;border:1.4px solid var(--ink);padding:20px 16px 12px;box-shadow:3px 4px 0 rgba(28,26,25,.08);border-radius:3px}
.note.own{background:#fff;border-style:dashed}
.note.hot{border-color:var(--red);background:var(--red-soft)}
.pin{position:absolute;top:-9px;left:50%;width:14px;height:14px;margin-left:-7px;border-radius:50%;background:var(--red);box-shadow:0 2px 0 rgba(28,26,25,.2)}
.must{position:absolute;top:-12px;right:-8px;padding:1px 10px;background:var(--red);color:var(--paper);font-family:var(--hand);font-weight:700;font-size:1rem;transform:rotate(6deg);filter:url(#ink)}
.nq{font-family:var(--hand);font-size:1.3rem;font-weight:700;line-height:1.4;margin:0 0 10px;word-break:break-word}
html[data-l="de"] .nq,html[data-l="en"] .nq{font-size:1.7rem;line-height:1.2}
.nf{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.82em;color:var(--mute)}
.vote{border:1.3px solid var(--ink);border-radius:var(--hb);background:#fff;color:var(--ink);padding:2px 11px;font:inherit;font-size:.95em;cursor:pointer;line-height:1.5}
.vote.on{background:var(--red);border-color:var(--red);color:var(--paper)}
.vc{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.8rem}
.mission{display:flex;gap:12px;align-items:flex-start}
.chk{flex:none;margin-top:6px;width:24px;height:24px;border:1.6px solid var(--ink);border-radius:var(--hb);background:#fff;cursor:pointer;padding:0;font-size:16px;line-height:1;color:var(--red)}
.chk[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:#fff}
.mission[data-done="1"] .m-t{text-decoration:line-through;text-decoration-color:var(--red);opacity:.7}
.reply{display:inline-block;margin-top:8px;padding:11px 22px;background:var(--ink);color:var(--paper);border-radius:var(--hb);font-family:var(--hand);font-size:1.2rem;font-weight:700;text-decoration:none}
.foot{text-align:center;margin-top:48px;color:var(--mute)}
.foot .xi{display:block;font-family:var(--xi);color:var(--red);font-size:72px;line-height:1;letter-spacing:-.32em;margin:0 0 6px;padding-right:.32em}
.foot .hand{font-size:1.3rem}
.xi{font-family:var(--xi);letter-spacing:-.32em;color:var(--red)}
@media (min-width:600px){.wrap{padding-bottom:96px}.paper{padding-left:22px}}
@media (prefers-reduced-motion:reduce){.page{transition:none;opacity:1;transform:none}.seal,.seal .stamp{animation:none}.seal{display:none}}

/* calligraphy outlines */
.ttl{display:inline-block;height:1.05em;width:auto;vertical-align:-.14em;fill:currentColor;overflow:visible}
.title .ttl{vertical-align:baseline;max-width:94%}
.wax b{display:flex;align-items:center;justify-content:center;line-height:0}
.wax b .ttl{height:60px;fill:#fffefc;vertical-align:middle}
.stamp .ttl{height:32px;fill:var(--paper);vertical-align:middle}
.foot .xi{letter-spacing:0;padding:0;font-size:0;line-height:0}
.foot .xi .ttl{height:86px;fill:var(--red);vertical-align:middle}
.title .ttl{height:1.5em;max-width:96%}
.sec .ttl{height:1.3em;vertical-align:-.3em}
.bh .ttl{height:1.3em;vertical-align:-.3em}

.paper p{white-space:pre-line}
.card.host{background:#fffaf3;border-color:var(--red);margin-top:6px}
.card.host .steps{margin:12px 0 8px}
.tips{margin:6px 0 0;padding-left:1.3em;font-size:.95em;line-height:1.75}
.tips li{margin:4px 0}
.pc .lab{margin-bottom:0}
.pc .hand.h{font-size:1.7rem;line-height:1.2;margin:0 0 2px}
.role{margin:0 0 4px;color:var(--red);font-weight:500;line-height:1.55}
.pc .who{font-size:.93em;color:#3d3835;line-height:1.75;margin:8px 0 0}
.whoall-wrap{margin-top:14px;padding:12px 14px 10px;border:1.4px dashed var(--ink);border-radius:12px;background:#fffdf8}
.whoall{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:6px 18px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));font-size:.9em;line-height:1.5}
.whoall b{font-family:var(--hand);font-size:1.12em;margin-right:4px}
.whoall .me b{color:var(--red)}
.names{font-family:var(--hand);font-size:1.4rem;font-weight:700;margin:-4px 0 14px;color:var(--ink)}
.seatwrap{position:relative}
.seat{cursor:pointer;-webkit-tap-highlight-color:transparent}
.seat:focus{outline:none}
.seat.on circle:nth-of-type(2){stroke-width:3.2}
.seat-tag{position:absolute;transform:translate(-50%,-100%);z-index:6;pointer-events:none;background:var(--ink);color:var(--paper);padding:7px 12px;border-radius:12px;text-align:center;line-height:1.4;font-size:.86em;max-width:230px;box-shadow:0 3px 8px rgba(28,26,25,.25)}
.seat-tag.below{transform:translate(-50%,0)}
.seat-tag b{display:block;font-family:var(--hand);font-size:1.25em;font-weight:700}
.seat-tag span{display:block;opacity:.9}
.near{font-size:1.6rem;font-weight:700;margin:20px 0 10px;line-height:1.2}
.pc{padding:12px 16px 10px;margin-bottom:14px}
.pc .hand.h{font-size:1.5rem}

/* ---- bands: every topic is its own coloured block, with a numbered badge on the edge ---- */
body{overflow-x:hidden;overflow-x:clip}
.top{margin-bottom:0}
.band{position:relative;isolation:isolate;margin:0 -16px;padding:62px 16px 52px;scroll-margin-top:96px}
.band::before{content:'';position:absolute;z-index:-1;top:0;bottom:0;left:50%;width:100vw;margin-left:-50vw;background:var(--bb);border-top:2px solid var(--ink)}
.b-letter{--bb:var(--paper);padding-top:30px}.b-letter::before{border-top:0}
.b-day{--bb:#f2ede3}
.b-seat{--bb:#e9effb}
.b-game{--bb:#fbe9e6}
.b-reply{--bb:#f2ede3}
.b-end{--bb:var(--paper);padding:56px 16px 70px}
.bin.page{margin:0}
.bhead{text-align:center;margin:0 0 26px}
.bnum{display:flex;align-items:center;justify-content:center;width:58px;height:58px;margin:-92px auto 14px;border:2px solid var(--red);border-radius:50%;background:var(--paper);color:var(--red);font-family:var(--hand);font-weight:700;font-size:1.9rem;line-height:1;box-shadow:0 0 0 6px var(--bb)}
.bhead .sec{display:block;text-align:center;font-size:2.9rem;line-height:1.15;margin:0}
html[data-l="de"] .bhead .sec,html[data-l="en"] .bhead .sec{font-size:3.1rem}
.bsub{color:#3d3835;font-size:.95em;line-height:1.85;margin:10px auto 0;max-width:30em;white-space:pre-line}
.kick{display:flex;align-items:center;gap:12px;margin:38px 0 14px;color:var(--red);font-family:var(--hand);font-weight:700;font-size:1.3rem;line-height:1.2}
.kick::before{content:'';flex:0 0 16px;height:2px;background:rgba(200,35,28,.45)}
.kick::after{content:'';flex:1;height:2px;background:rgba(200,35,28,.45)}
.kick:first-child{margin-top:8px}
.card.ticket{border-width:2px}
.card.ticket .when p{font-family:var(--hand);font-weight:700;font-size:1.45rem;line-height:1.35;margin-top:2px}
.card.host .tape{left:auto;right:26px}
.lead,.card p,.steps li,.tips li,.seat-tag span{white-space:pre-line}
.seat-tag{max-width:270px;text-align:left}
.seat-tag b{text-align:center}
.seat-tag .t{color:#ffd9d4;text-align:center}
.seat-tag .h{margin-top:6px;padding-top:6px;border-top:1px solid rgba(255,254,252,.3);font-size:.95em;line-height:1.6}
.board .lead{margin-top:0}
.foot{text-align:center}
.b-seat{z-index:4}
.when{grid-template-columns:1fr;gap:14px}
.seatwrap{transition:padding-bottom .2s}
.seat-tag{width:max-content;min-width:150px;max-width:min(268px,88%)}
.band{scroll-margin-top:124px}

/* no divider lines: more room and a clear colour change instead; badge sits inside its own section */
.band{padding:88px 16px 80px;scroll-margin-top:84px}
.band::before{border-top:0}
.b-letter{padding-top:36px;padding-bottom:64px}
.b-day{--bb:#edf3ee}
.b-reply{--bb:#edf3ee}
.b-seat{z-index:auto}
.bnum{margin:0 auto 16px;box-shadow:none}
.bhead{margin-bottom:30px}
.card.ticket p{font-family:var(--hand);font-weight:700;font-size:1.45rem;line-height:1.4;margin:0}
.card.ticket p+p{margin-top:10px;padding-top:10px;border-top:1px dashed rgba(28,26,25,.35)}