@charset "UTF-8";
:root{color-scheme:light;--ink:#293e37;--muted:#53665b;--paper:#f6f7ed;--white:#fffef2;--line:rgba(47,68,55,.18);font-family:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none;color:var(--ink);background:#a9c0be;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0;color:var(--ink);transition:color 12s ease}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button{border:0;background:none}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:2px solid currentColor;outline-offset:6px}button:disabled{cursor:wait}button svg{pointer-events:none}button[hidden],[hidden]{display:none!important}svg{display:block;width:24px;height:24px}p,h1,h2{margin:0}#experience{position:relative;width:100%;height:100svh;min-height:660px;overflow:hidden;isolation:isolate}#world,.scene-shade,.film-grain{position:absolute;inset:0}#world{z-index:-3;background:linear-gradient(#9bbbc9,#dce3cc 52%,#829465 53%,#344c28)}#world canvas{display:block;width:100%;height:100%;touch-action:none}.scene-shade{z-index:-2;pointer-events:none}.scene-shade:before,.scene-shade:after{content:"";position:absolute;inset:0;transition:opacity 12s ease}.scene-shade:before{background:linear-gradient(90deg,rgba(219,232,219,.045),transparent 64%),linear-gradient(0deg,rgba(12,29,19,.44),transparent 23%)}.scene-shade:after{background:linear-gradient(90deg,rgba(10,22,34,.06),transparent 65%),linear-gradient(0deg,rgba(7,17,27,.45),transparent 28%);opacity:0}.film-grain{z-index:9;pointer-events:none;opacity:.04;transition:opacity 14s ease;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23000' filter='url(%23n)' opacity='.65' d='M0 0h180v180H0z'/%3E%3C/svg%3E")}.ui{transition:opacity .8s ease,transform .8s ease,color 12s ease}.header{position:absolute;top:0;left:0;width:100%;padding:30px 4.3%;display:flex;align-items:center;justify-content:space-between;z-index:4}.brand{display:flex;align-items:center;gap:11px}.brand-icon{width:42px;height:42px}.brand-name{font-family:"Songti SC","Noto Serif CJK SC",SimSun,serif;font-size:25px;letter-spacing:.19em;line-height:1.2}.brand-name>span{display:block;font-family:"Avenir Next",sans-serif;font-size:8px;letter-spacing:.22em;line-height:1.8}.nav{display:flex;gap:36px;position:absolute;left:50%;transform:translateX(-50%)}.nav-link{padding:10px 0;font-size:12px;letter-spacing:.1em;position:relative;opacity:.7;transition:opacity .2s}.nav-link:hover,.nav-link.active{opacity:1}.nav-link.active:after{content:"";position:absolute;bottom:0;left:50%;width:3px;height:3px;background:currentColor;border-radius:50%}.nav-link span{font-size:15px;margin-left:3px}.header-actions{display:flex;align-items:center;gap:20px}.weather-switch{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:40px;padding:8px 13px;border:1px solid currentColor;border-color:color-mix(in srgb,currentColor 23%,transparent);border-radius:50px;background:rgba(232,241,229,.08);font-size:11px;letter-spacing:.09em;transition:background .25s,transform .25s}.weather-switch:hover{background:rgba(239,245,229,.2);transform:translateY(-1px)}.weather-switch svg{width:19px;height:19px}.weather-switch .weather-switch-arrow{width:13px;height:13px;opacity:.6}.sound-button{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:11px;letter-spacing:.07em}.sound-wave{display:flex;align-items:center;gap:2px;height:20px}.sound-wave i{width:2px;height:5px;border-radius:1px;background:currentColor;transition:height .4s}.sound-wave i:nth-child(2),.sound-wave i:nth-child(4){height:10px}.sound-wave i:nth-child(3){height:16px}.sound-on .sound-wave i{animation:soundwave 1.2s ease-in-out infinite alternate}.sound-on .sound-wave i:nth-child(2n){animation-delay:-.4s}.sound-on .sound-wave i:nth-child(3){animation-delay:-.8s}.action-divider{height:17px;width:1px;background:currentColor;opacity:.2}.icon-button{width:30px;height:30px;display:grid;place-items:center}.icon-button svg{width:19px;height:19px}.intro{position:absolute;top:24%;left:8.3%;z-index:2;animation:arrive 1.8s both}.eyebrow{display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:.2em;margin-bottom:23px}.eyebrow>span{width:18px;height:1px;background:currentColor;opacity:.6}h1{font-family:"Songti SC","STSong","Noto Serif CJK SC","SimSun",serif;font-size:clamp(54px,5.7vw,87px);font-weight:400;line-height:1.28;letter-spacing:.04em}.free-word{position:relative}.free-word svg{position:absolute;left:0;bottom:-3px;width:95%;height:14px;opacity:.5}.intro-copy{margin-top:24px;font-size:12px;line-height:2.1;letter-spacing:.14em;opacity:.8}.intro-actions{display:flex;align-items:center;gap:20px;margin-top:27px}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:rgba(249,250,238,.93);color:#334839;border:1px solid rgba(255,255,243,.6);border-radius:50px;padding:14px 23px;font-size:12px;letter-spacing:.13em;box-shadow:0 5px 24px rgba(29,46,29,.06);transition:transform .25s,background .25s,box-shadow .25s}.primary-button:hover{transform:translateY(-3px);background:#fffff6;box-shadow:0 8px 26px rgba(29,46,29,.13)}.button-orbit{display:grid;place-items:center;width:20px;height:20px;border:1px solid #93a18a;border-radius:50%;font-family:serif;font-size:13px}.button-arrow{font-size:18px;margin-left:9px;letter-spacing:0}.intro-note{font-family:"Songti SC",serif;font-size:11px;letter-spacing:.09em;opacity:.65}.weather-note{position:absolute;right:6.1%;top:32%;width:150px;z-index:2;animation:arrive 2s .15s both}.note-kicker{display:block;font-size:10px;letter-spacing:.22em;opacity:.7;margin-bottom:16px}.note-weather{display:flex;align-items:center;gap:12px;font-family:"Songti SC",serif;font-size:29px;letter-spacing:.13em}.note-weather svg{width:28px;height:28px}.note-english{font-size:8px;letter-spacing:.21em;margin-top:8px;opacity:.65}.note-line{height:1px;width:27px;background:currentColor;opacity:.28;margin:22px 0 17px}.weather-note p{font-family:"Songti SC",serif;font-size:12px;line-height:2.1;letter-spacing:.12em;opacity:.8}.wind-note{display:flex;gap:6px;align-items:center;margin-top:22px;font-size:9px;letter-spacing:.05em;opacity:.7}.wind-note svg{width:15px;height:15px}.footer{position:absolute;bottom:28px;left:4.3%;right:4.3%;display:flex;justify-content:space-between;align-items:center;z-index:4;color:#f4f6e8;font-size:10px;letter-spacing:.13em}.live-note{display:flex;align-items:center;gap:8px}.live-note>i{width:4px;height:4px;border-radius:50%;background:#dbeab5;box-shadow:0 0 8px #f3ffe863}.footer-center{opacity:.6;font-family:"Songti SC",serif;font-size:11px;letter-spacing:.18em;position:absolute;left:50%;transform:translateX(-50%)}.help-button{display:flex;gap:7px;align-items:center;font-size:10px;letter-spacing:.08em;opacity:.75}.help-button>span{border:1px solid #fff8;border-radius:50%;width:15px;height:15px;line-height:13px;font-size:10px}.help-button:hover{opacity:1}.wander-message{position:absolute;left:50%;top:30%;transform:translateX(-50%);text-align:center;color:var(--paper);text-shadow:0 2px 20px #182a39;opacity:0;pointer-events:none;transition:opacity 2s;white-space:nowrap}.wander-message>span{font-family:"Songti SC",serif;font-size:33px;letter-spacing:.23em}.wander-message small{display:block;margin-top:20px;font-size:10px;letter-spacing:.15em;opacity:.7}.is-wandering .intro,.is-wandering .weather-note{opacity:0;pointer-events:none;animation:none;transform:translateY(-12px)}.is-wandering .wander-message.visible{opacity:1}.return-button{position:absolute;top:122px;left:4.3%;border:1px solid currentColor;border-radius:25px;padding:9px 16px;font-size:11px;letter-spacing:.1em;z-index:5;opacity:.8;background:#ffffff0a;backdrop-filter:blur(12px)}.is-cinematic .ui,.is-cinematic .return-button{opacity:0;pointer-events:none;animation:none}.is-cinematic #world{cursor:grab}.is-cinematic .wander-message{opacity:0!important}.is-dragging #world{cursor:grabbing}.night{--ink:#e9ece1;--muted:#c5d0cb;--line:rgba(230,240,230,.2)}.night .film-grain{opacity:.008}.night .scene-shade:before{opacity:0}.night .scene-shade:after{opacity:1}.toast{position:absolute;left:50%;bottom:83px;transform:translate(-50%,8px);padding:12px 22px;background:rgba(22,39,28,.75);backdrop-filter:blur(12px);border:1px solid #ffffef24;border-radius:30px;color:#f4f6e8;font-size:11px;letter-spacing:.1em;z-index:20;opacity:0;transition:opacity .3s,transform .3s;pointer-events:none;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%,0)}.quiet-dialog{width:430px;max-width:calc(100vw - 36px);max-height:calc(100svh - 40px);padding:48px 42px 28px;border:1px solid #ffffec7a;border-radius:20px;background:rgba(238,242,230,.96);box-shadow:0 30px 100px #13262140;color:#35493e;text-align:left}.quiet-dialog::backdrop{background:#152b2640;backdrop-filter:blur(8px)}.dialog-close{position:absolute;top:15px;right:16px;font-size:25px;font-weight:200;opacity:.7}.dialog-eyebrow{font-size:8px;letter-spacing:.18em;opacity:.6}.quiet-dialog h2{font-family:"Songti SC",serif;font-size:33px;font-weight:400;line-height:1.55;letter-spacing:.06em;margin:23px 0}.quiet-dialog p{font-size:12px;line-height:2.2;letter-spacing:.04em}.quiet-dialog .dialog-soft{margin:18px 0 26px;color:#6c7e6e;font-family:"Songti SC",serif}.dialog-credit{display:block;font-size:9px;letter-spacing:.08em;opacity:.5;margin-top:26px}.dialog-done{margin-top:15px;width:100%;justify-content:space-between}.help-row{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid #35493e18;font-size:11px;gap:10px}.help-row>span:last-child{font-size:10px;color:#657668}kbd{display:inline-block;border:1px solid #73847538;border-radius:3px;padding:2px 4px;font:9px "Avenir Next",sans-serif;margin-right:3px}.flight-help{margin-top:20px;font-size:11px!important;color:#657668}.mobile-help{display:none}#fallback{position:absolute;inset:0;background:#abc0b6;display:grid;align-content:center;justify-items:center;gap:18px;z-index:30;font-size:14px}#fallback button{padding:10px 20px;border:1px solid currentColor;border-radius:30px}.mobile-movement{display:none;position:absolute;bottom:84px;left:24px;text-align:center;z-index:5}.mobile-movement button{width:44px;height:44px;background:#e7f0dc22;border:1px solid #f8ffe644;border-radius:50%;color:white;font-size:19px;touch-action:none;margin:2px;backdrop-filter:blur(6px)}
@keyframes arrive{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes soundwave{to{height:4px;opacity:.5}}
@media(min-width:1600px){.intro{top:25%}.intro-copy{font-size:14px}.primary-button{padding:17px 25px}.weather-note{top:34%}}
@media(max-height:780px) and (min-width:761px){#experience{min-height:600px}.header{padding-top:23px}.intro{top:21%}h1{font-size:62px}.eyebrow{margin-bottom:17px}.intro-copy{margin-top:18px}.intro-actions{margin-top:21px}.weather-note{top:31%}.footer{bottom:21px}}
@media(max-width:1000px){.header{padding:24px 5%}.nav{gap:20px}.nav-link{font-size:11px}.sound-button>span:last-child{display:none}.header-actions{gap:15px}.intro{left:7%}.weather-note{right:5%;width:120px}.intro-note{display:none}}
@media(max-width:760px){#experience{min-height:640px}.header{padding:24px 6%}.brand-icon{width:35px;height:35px}.brand-name{font-size:22px}.brand-name>span{font-size:7px}.nav{display:none}.header-actions{gap:12px}.weather-switch{min-width:44px;min-height:44px;padding:9px 11px;gap:7px}.sound-button{min-width:28px;min-height:44px;justify-content:center}.header-actions .icon-button{width:32px;height:44px}.weather-switch .weather-switch-arrow{display:none}.intro{top:21%;left:8%}.eyebrow{font-size:7px;letter-spacing:.14em;margin-bottom:20px;gap:7px}h1{font-size:58px;line-height:1.29}.intro-copy{font-size:11px;line-height:2.1;margin-top:22px}.intro-actions{margin-top:24px}.primary-button{padding:12px 18px;font-size:11px}.weather-note{right:7%;top:28%;width:74px}.note-kicker{font-size:8px;letter-spacing:.08em;margin-bottom:12px}.note-weather{gap:5px;font-size:19px;letter-spacing:.08em}.note-weather svg{width:21px;height:21px}.note-english{font-size:6px;letter-spacing:.03em;line-height:1.8}.note-line{margin:16px 0}.weather-note p{font-size:10px;letter-spacing:.03em}.wind-note{display:none}.footer{left:6%;right:6%;bottom:23px;font-size:8px}.footer-center{display:none}.help-button{font-size:9px}.quiet-dialog{padding:40px 25px 24px}.quiet-dialog h2{font-size:29px}.mobile-help{display:block;font-size:10px!important;margin-top:16px}.is-wandering .mobile-movement{display:block}.return-button{top:99px;left:6%;font-size:10px}.wander-message>span{font-size:25px}.wander-message small{font-size:8px;max-width:310px;margin:18px auto 0;line-height:2;white-space:normal}.toast{bottom:83px;font-size:10px;max-width:calc(100% - 25px);white-space:normal;width:max-content;text-align:center}.help-row{font-size:10px}}
@media(max-width:380px){.header-actions{gap:9px}.weather-switch{padding:9px 12px}#weather-switch-label{display:none}h1{font-size:51px}.intro{left:7%;top:19%}.weather-note{right:5%;top:27%;width:62px}.intro-copy{font-size:10px}.eyebrow{font-size:6px}.weather-note p{font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition-duration:.01ms!important}}

body:not(.scene-ready),body:not(.scene-ready) .ui,body:not(.scene-ready) .scene-shade:before,body:not(.scene-ready) .scene-shade:after{transition:none}