:root{
  --ink:#18251f;--paper:#eef1e6;--paper-2:#dfe6d6;--green:#173b31;--mint:#a8d6b8;
  --acid:#d7ff4f;--orange:#ff714b;--blue:#8ed7dd;--muted:#607069;--line:rgba(24,37,31,.18);
  --sans:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;
  --serif:"Songti SC","STSong","Noto Serif CJK SC",serif;
  --mono:"SFMono-Regular","Menlo","Consolas",monospace;
}
*{box-sizing:border-box}html{background:var(--green);scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);background:var(--paper);font-family:var(--sans);overflow-x:hidden}
button,input{font:inherit}button{color:inherit}.grain{position:fixed;inset:0;pointer-events:none;z-index:20;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E")}
.site-head{height:74px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;z-index:5}
.brand{border:0;background:transparent;display:flex;align-items:baseline;gap:8px;padding:6px 0;cursor:pointer}.brand span{font:800 12px/1 var(--mono);letter-spacing:.18em;background:var(--ink);color:var(--paper);padding:5px 6px}.brand b{font-size:17px;letter-spacing:.06em}.head-status{font:600 12px/1 var(--mono);color:var(--muted);display:flex;align-items:center;gap:8px}.head-status i{width:7px;height:7px;border-radius:50%;background:#61a975;box-shadow:0 0 0 4px rgba(97,169,117,.12)}
main{min-height:calc(100vh - 132px)}footer{min-height:58px;padding:18px clamp(20px,5vw,72px);display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);font-size:12px;font-weight:700;color:var(--muted)}
.home{max-width:1260px;margin:auto;padding:clamp(48px,8vw,110px) clamp(20px,5vw,64px) 80px}.hero-kicker{font:800 12px/1 var(--mono);letter-spacing:.17em;color:#52645c;margin-bottom:18px}.home h1{font-family:var(--serif);font-size:clamp(54px,9.2vw,124px);line-height:.88;letter-spacing:-.075em;font-weight:900;max-width:1050px;margin:0}.home h1 em{font-style:normal;color:var(--green);position:relative}.home h1 em:after{content:"";position:absolute;left:.05em;right:0;bottom:-.06em;height:.1em;background:var(--acid);z-index:-1;transform:rotate(-1deg)}.hero-note{margin:36px 0 46px;max-width:590px;font-size:clamp(16px,2vw,21px);line-height:1.7;color:#4c5f56;font-weight:600}
.game-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:16px}.game-tile{min-height:350px;border:1px solid var(--ink);padding:30px;position:relative;overflow:hidden;cursor:pointer;text-align:left;background:var(--mint);transition:transform .22s ease,box-shadow .22s ease}.game-tile:hover{transform:translateY(-5px);box-shadow:9px 10px 0 var(--ink)}.game-tile.survival{background:#ffc4aa}.tile-top{display:flex;justify-content:space-between;font:800 12px/1 var(--mono);letter-spacing:.11em}.tile-glyph{font:900 clamp(88px,13vw,170px)/.8 var(--mono);letter-spacing:-.12em;margin:68px 0 40px}.survival .tile-glyph{letter-spacing:-.06em}.game-tile h2{font-family:var(--serif);font-size:clamp(30px,4vw,48px);margin:0 0 9px}.game-tile p{margin:0;max-width:520px;line-height:1.6;font-weight:600}.tile-arrow{position:absolute;right:28px;bottom:24px;font-size:34px}
.screen{width:min(760px,100%);margin:auto;padding:42px 20px 72px}.screen.wide{width:min(980px,100%)}.eyebrow{font:800 11px/1 var(--mono);letter-spacing:.17em;text-transform:uppercase;color:var(--muted);margin-bottom:15px}.screen-title{font:900 clamp(38px,8vw,70px)/1.05 var(--serif);letter-spacing:-.04em;margin:0 0 15px}.lede{font-size:17px;line-height:1.7;color:var(--muted);font-weight:600;margin:0 0 32px}.panel{border:1px solid var(--ink);background:rgba(255,255,255,.38);box-shadow:7px 7px 0 var(--ink);padding:clamp(22px,5vw,38px)}
.field{padding:20px 0;border-bottom:1px solid var(--line)}.field:first-child{padding-top:0}.field:last-child{border-bottom:0;padding-bottom:0}.field-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-weight:850}.field-label small{font:700 11px/1 var(--mono);color:var(--muted)}.stepper{display:grid;grid-template-columns:58px 1fr 58px;gap:8px;align-items:center}.stepper button,.chip{min-height:48px;border:1px solid var(--ink);background:transparent;font-weight:900;cursor:pointer}.stepper strong{text-align:center;font:900 28px/1 var(--mono)}.chip-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.chip{padding:9px}.chip.active{background:var(--ink);color:var(--paper)}.chip span{display:block;font-size:11px;font-weight:600;opacity:.64;margin-top:4px}
.primary,.secondary,.ghost{border:1px solid var(--ink);min-height:56px;padding:0 22px;font-weight:900;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.primary{background:var(--acid);box-shadow:5px 5px 0 var(--ink)}.primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}.secondary{background:var(--ink);color:var(--paper)}.ghost{background:transparent}.full{width:100%;margin-top:26px}.action-row{display:flex;gap:10px;margin-top:26px}.action-row>*{flex:1}
.pass-shell{background:var(--green);color:#eef1e6;min-height:calc(100vh - 132px);display:grid;place-items:center;padding:28px 20px}.pass-card{width:min(540px,100%);min-height:570px;border:1px solid rgba(255,255,255,.58);padding:28px;display:flex;flex-direction:column;position:relative;background:linear-gradient(145deg,rgba(255,255,255,.06),transparent 65%)}.pass-index{display:flex;justify-content:space-between;font:800 11px/1 var(--mono);letter-spacing:.15em;color:#acc5bb}.pass-main{flex:1;display:grid;place-items:center;text-align:center}.seal{width:230px;height:230px;border-radius:50%;border:1px dashed #d7ff4f;display:grid;place-items:center;position:relative}.seal:after{content:"机密";position:absolute;right:-16px;bottom:18px;background:var(--orange);color:#fff;padding:7px 12px;transform:rotate(-8deg);font-weight:900}.seal b{font:900 70px/1 var(--serif)}.pass-card h2{font:900 38px/1.1 var(--serif);margin:0 0 12px}.pass-card p{color:#acc5bb;line-height:1.7}.pass-card .primary{margin-top:16px}.word-label{font:800 11px/1 var(--mono);letter-spacing:.16em;color:var(--acid);margin-bottom:24px}.secret-word{font:900 clamp(48px,12vw,76px)/1.05 var(--serif);word-break:break-word}.secret-name{margin-top:15px;color:#acc5bb;font-weight:700}.secret-warning{margin-top:44px;font-size:13px;color:#acc5bb}.hidden{display:none!important}
.discussion{background:#d4eee0}.timer-box{border:1px solid var(--ink);padding:30px;text-align:center;margin-bottom:14px;background:rgba(255,255,255,.3)}.timer{font:900 clamp(76px,20vw,142px)/.9 var(--mono);letter-spacing:-.09em}.timer-caption{margin-top:20px;font-weight:800}.rule-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ink);border:1px solid var(--ink);margin:24px 0}.rule-strip div{background:var(--paper);padding:16px 11px;text-align:center;font-size:12px;font-weight:800}.hint-box{border-left:5px solid var(--orange);background:#fff4e8;padding:17px 19px;margin-top:16px;line-height:1.65}.answer{background:var(--ink);color:var(--paper);padding:25px;margin-top:14px}.answer strong{display:block;color:var(--acid);font:900 28px/1.2 var(--serif);margin-bottom:9px}
.survival-stage{background:#17201d;color:#edf0e7;min-height:calc(100vh - 132px);padding:36px 20px 70px}.survival-stage .screen{padding-top:0}.lab-top{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:end;margin-bottom:22px}.day{font:900 clamp(46px,11vw,82px)/1 var(--mono);letter-spacing:-.07em}.countdown{font:800 20px/1 var(--mono);color:#ffb395}.meters{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:26px}.meter{border:1px solid rgba(255,255,255,.25);padding:10px 12px}.meter-label{display:flex;justify-content:space-between;font:700 11px/1 var(--mono);margin-bottom:8px}.meter-track{height:7px;background:rgba(255,255,255,.12)}.meter-fill{height:100%;background:var(--acid);transition:width .35s ease}.meter.risk .meter-fill{background:var(--orange)}
.event-sheet{background:#f2f0e7;color:var(--ink);border-top:8px solid var(--orange);padding:clamp(24px,6vw,44px);box-shadow:10px 10px 0 rgba(0,0,0,.34)}.event-tag{font:900 11px/1 var(--mono);letter-spacing:.14em;color:#bd4b31}.event-sheet h2{font:900 clamp(30px,7vw,48px)/1.25 var(--serif);margin:18px 0 28px}.choices{display:grid;gap:10px}.choice{border:1px solid var(--ink);background:transparent;padding:16px 18px;text-align:left;font-weight:800;line-height:1.45;cursor:pointer;display:grid;grid-template-columns:28px 1fr;gap:11px}.choice:hover,.choice:focus-visible{background:var(--acid)}.choice i{font:900 12px/1.6 var(--mono);font-style:normal}.result{margin-top:22px;border-top:1px solid var(--line);padding-top:20px}.result p{line-height:1.6;font-weight:700}.delta{font:800 12px/1 var(--mono);color:#a63a26}.result .primary{margin-top:12px}
.ending-card{background:#eff0e4;color:var(--ink);border:1px solid #edf0e7;padding:34px;box-shadow:10px 10px 0 var(--orange);position:relative;overflow:hidden}.ending-card:before{content:"LAB REPORT";font:900 70px/1 var(--mono);position:absolute;right:-18px;top:18px;color:rgba(24,37,31,.05);transform:rotate(90deg) translateX(100%);transform-origin:right top}.ending-grade{font:800 11px/1 var(--mono);letter-spacing:.15em;color:#ba4c34}.ending-card h2{font:900 clamp(48px,12vw,82px)/.98 var(--serif);letter-spacing:-.05em;margin:25px 0 28px;max-width:620px}.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--ink)}.stat{padding:16px;border-right:1px solid var(--ink)}.stat:last-child{border:0}.stat b{display:block;font:900 26px/1 var(--mono);margin-bottom:8px}.stat span{font-size:11px;font-weight:800;color:var(--muted)}.last-log{margin-top:24px;border-left:4px solid var(--orange);padding-left:15px;font-weight:700;line-height:1.6}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;font-weight:800;font-size:13px;z-index:30;box-shadow:4px 4px 0 var(--orange)}
@media(max-width:720px){.head-status{display:none}.site-head{height:62px}.game-grid{grid-template-columns:1fr}.game-tile{min-height:310px}.tile-glyph{margin:58px 0 34px}.home{padding-top:54px}.home h1{font-size:clamp(54px,17vw,82px)}.rule-strip{grid-template-columns:1fr}.rule-strip div{text-align:left}.chip-row{grid-template-columns:1fr}.pass-card{min-height:calc(100vh - 150px)}footer{display:none}main{min-height:calc(100vh - 62px)}.pass-shell,.survival-stage{min-height:calc(100vh - 62px)}.action-row{flex-direction:column}.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--ink)}.stat:last-child{border-bottom:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}