:root{--ink:#354d42;--muted:#7b887a;--paper:#faf9ef;--green:#416a51;--line:#61735528}*{box-sizing:border-box}body{margin:0;overflow:hidden;background:#eaf0df;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:0}button:focus-visible,a:focus-visible{outline:3px solid #c48b62;outline-offset:4px}button{transition:background .2s,transform .2s}button:hover{filter:brightness(.97)}button:active{transform:scale(.96)}#world{position:fixed;inset:0}canvas{display:block;touch-action:none}header{position:absolute;left:42px;right:42px;top:28px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:inherit;pointer-events:auto;font-size:18px;letter-spacing:3px}.brand small{display:block;font-size:8px;letter-spacing:2px;margin-top:7px}.seal{display:grid;place-items:center;writing-mode:vertical-rl;background:#ad6c53;color:#fff7e6;border:3px double #f8e0c6;border-radius:5px;width:34px;height:43px;font-family:serif;font-size:17px;letter-spacing:2px;transform:rotate(-4deg)}.top-actions{display:flex;align-items:center;gap:12px;pointer-events:auto}.top-actions button{background:#faf9eddd;padding:12px 17px;border-radius:24px;border:1px solid #ffffffb0;font-size:12px;box-shadow:0 3px 12px #334d4210}.top-actions b{margin-left:15px;font-size:11px;font-weight:500;color:#789075}.weather{font-size:11px;margin-right:7px;letter-spacing:1px}.weather i{display:inline-block;width:10px;height:10px;background:#d6ac63;border-radius:50%;margin-right:8px;box-shadow:0 0 0 3px #d6ac6320}#sound{font-size:17px}#sound span{font-size:12px;margin-left:8px}.intro{position:absolute;left:50px;top:140px;pointer-events:none;width:230px}.eyebrow{font-size:10px;letter-spacing:3px;color:#7b8f7e}h1{font-family:"Songti SC","STSong",serif;font-weight:500;font-size:62px;letter-spacing:10px;margin:20px 0 20px;line-height:1.12}h1 span{display:inline-block;font-size:22px;vertical-align:top;margin-top:7px;letter-spacing:0;border:1px solid #8b9b7c;padding:5px;border-radius:50%}#verse{font-family:"Songti SC",serif;font-size:15px;line-height:2.1;letter-spacing:2px}.hairline{width:32px;height:1px;background:#7f987b;margin:25px 0}.intro-note{font-size:11px;line-height:2;color:#718571;letter-spacing:1px}#back{pointer-events:auto;margin-top:14px;padding:12px 17px;background:var(--paper);border-radius:22px;font-size:12px;box-shadow:0 3px 20px #284b3310}.right-tools{position:absolute;right:35px;top:42%;display:flex;flex-direction:column;background:#fffdf0e0;padding:5px;border-radius:27px;box-shadow:0 6px 20px #284b3310}.right-tools button{background:transparent;border-radius:50%;width:40px;height:40px;font-size:23px;font-weight:300}.right-tools span{height:1px;background:var(--line);margin:3px 10px}.compass{position:absolute;right:34px;bottom:212px;text-align:center;width:50px;color:#75866c;font-size:9px}.compass svg{width:50px;fill:none;stroke:currentColor;stroke-width:.7}.compass>span{position:absolute;top:-9px;left:21px}footer{position:absolute;left:50px;right:50px;bottom:20px;max-width:1050px;margin:auto}.journey-heading{display:flex;align-items:center;gap:18px;padding:0 5px 14px;font-size:11px;letter-spacing:1px}.journey-heading>span{font-size:12px}.journey-heading i{display:inline-block;height:5px;width:5px;background:#799064;transform:rotate(45deg);margin-right:9px}.journey-heading p{margin:0;color:#809078;font-size:10px}.journey-heading button{margin-left:auto;background:none;font-size:11px}.destinations{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.destinations button{display:flex;align-items:center;text-align:left;padding:14px 19px;background:#faf9efeb;backdrop-filter:blur(14px);border:1px solid #ffffffc0;border-radius:13px;gap:14px;box-shadow:0 4px 20px #475c3510}.destinations button.active{border-color:#809870;background:#fffdf5;box-shadow:0 4px 20px #475c3520}.destinations button.collected em{font-size:16px;color:#6c9463}.scene-icon{width:45px;height:45px;display:grid;place-items:center;border-radius:50%;font-size:30px;font-family:serif;flex-shrink:0}.peach{background:#f0e1dc;color:#c5868f}.cave{background:#e0e6d7;color:#778c74}.pond{background:#dce9df;color:#60908a}.house{background:#ece2ce;color:#9e8052}.destinations small{display:block;font-size:9px;color:#8c957f;letter-spacing:1.5px;margin-bottom:7px}.destinations strong{font-family:"Songti SC",serif;font-weight:600;font-size:17px;letter-spacing:2px}.destinations em{font-style:normal;margin-left:auto;font-size:18px;color:#8a997e}.footer-hint{display:flex;justify-content:space-between;font-size:9px;color:#7a8c73;padding:15px 5px 0;letter-spacing:1px}.footer-hint b{font-weight:normal;margin:0 7px}#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.hotspot{position:absolute;display:flex;align-items:center;gap:8px;border-radius:30px;background:#fffef0ed;padding:9px 14px 9px 10px;font-size:11px;letter-spacing:1px;box-shadow:0 4px 14px #273d3920;pointer-events:auto;white-space:nowrap;transform:translate(-50%,-100%);border:1px solid #fff}.hotspot:active{transform:translate(-50%,-100%) scale(.96)}.hotspot:after{content:"";position:absolute;left:50%;bottom:-7px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid #fffef0}.hotspot i{width:7px;height:7px;border-radius:50%;background:#be8d7c;box-shadow:0 0 0 4px #be8d7c22}.hotspot.collect{background:#fff3cd;font-size:12px;border-color:#fff8dc;padding:12px 17px}.hotspot.collect:after{border-top-color:#fff3cd}.hotspot.collect i{background:#c49540}#toast{position:absolute;bottom:207px;left:50%;transform:translate(-50%,12px);background:#3b5747ed;color:#fffcec;font-size:12px;letter-spacing:1px;padding:13px 24px;border-radius:24px;opacity:0;transition:.35s;pointer-events:none;text-align:center;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid #ffffff;border-radius:22px;background:#faf8ed;color:var(--ink);width:min(500px,90vw);padding:42px;box-shadow:0 25px 100px #163f3330;max-height:85vh;overflow-y:auto}dialog::backdrop{background:#263e3440;backdrop-filter:blur(7px)}dialog .close{position:absolute;right:17px;top:13px;background:none;font-size:25px;color:#7e8c78}dialog h2{font-family:"Songti SC",serif;font-weight:500;font-size:30px;letter-spacing:4px;margin:12px 0 22px}dialog p{font-size:12px;line-height:2;color:#788471}dialog .eyebrow{font-size:9px}.entry{padding:16px 0;border-top:1px solid var(--line)}.entry h3{font-family:"Songti SC",serif;font-size:18px;font-weight:500;margin:0 0 8px}.entry p{margin:0}.entry.locked{opacity:.45}.primary{border-radius:22px;background:#456d53;color:#fff8e9;padding:13px 24px;margin-top:16px;font-size:12px}.secondary{background:transparent;padding:12px;font-size:12px}.source{font-size:10px;color:#7e927f}.loading-flower{font-size:45px;color:#c995a0;animation:spin 5s linear infinite}#loading{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#eef0df;transition:opacity .5s;pointer-events:none}#loading p{font-family:serif;letter-spacing:3px;color:#6a8168;font-size:14px}#loading.done{opacity:0}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:850px){header{left:22px;right:22px;top:20px}.weather{display:none}.intro{left:26px;top:108px;width:180px}h1{font-size:45px;letter-spacing:5px}.eyebrow{font-size:8px;letter-spacing:2px}#verse{font-size:12px}.intro-note{font-size:10px}.hairline{margin:16px 0}footer{left:22px;right:22px}.destinations button{padding:12px;gap:8px}.destinations strong{font-size:14px}.destinations small{font-size:8px}.scene-icon{width:32px;height:32px;font-size:24px}.destinations em{display:none}.right-tools{right:20px}.footer-hint>span:last-child{display:none}}@media(max-width:560px){header{left:18px;right:18px;top:18px}.brand{font-size:14px;gap:8px;letter-spacing:2px}.brand small{font-size:6px;letter-spacing:1px}.seal{width:28px;height:36px;font-size:14px}.top-actions{gap:6px}.top-actions button{padding:10px 12px;font-size:10px}.top-actions b{margin-left:6px}#sound span{display:none}#sound{padding:7px 11px}.intro{top:95px;left:23px;width:200px}h1{font-size:38px;margin:14px 0 12px}h1 span{font-size:13px;margin-top:3px}#verse{font-size:11px;line-height:1.8;letter-spacing:1px}.hairline,.intro-note{display:none}#back{margin-top:5px;padding:9px 12px;font-size:10px}.right-tools{right:14px;top:39%;padding:2px}.right-tools button{width:34px;height:34px;font-size:20px}.compass{display:none}footer{left:14px;right:14px;bottom:14px}.journey-heading{padding-bottom:10px;gap:8px}.journey-heading>span{font-size:10px}.journey-heading p{font-size:8px;letter-spacing:0}.journey-heading button{font-size:9px}.destinations{grid-template-columns:repeat(2,1fr);gap:7px}.destinations button{padding:9px 12px;border-radius:11px}.destinations strong{font-size:14px;letter-spacing:1px}.destinations small{margin-bottom:4px;font-size:7px}.scene-icon{width:30px;height:30px;font-size:22px}.footer-hint{padding-top:10px;font-size:8px;letter-spacing:0}.footer-hint b{margin:0 4px}.hotspot{font-size:9px;padding:7px 10px;gap:7px}#toast{bottom:210px;width:max-content;max-width:88vw;font-size:10px;padding:12px 17px}dialog{padding:32px 25px}dialog h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.seal{display:block;writing-mode:horizontal-tb;text-align:center;font-size:13px;line-height:15px;padding:3px 0;letter-spacing:0;height:42px}.intro h1{white-space:nowrap}.intro h1 span{font-size:15px;letter-spacing:0;margin-left:-5px;margin-top:0;vertical-align:top}@media(max-width:560px){.seal{font-size:11px;line-height:12px;height:34px;padding:2px 0}.intro h1 span{font-size:12px}}

/* Chapter exploration layout */
header{z-index:3}.intro{top:120px;width:280px}.intro h1{font-size:43px;letter-spacing:5px}.intro-note{max-width:225px}.destinations{grid-template-columns:repeat(6,1fr)}footer{max-width:1220px}.destinations button{padding:12px 11px;gap:9px}.destinations strong{font-size:14px;letter-spacing:1px}.destinations small{font-size:8px;letter-spacing:1px}.destinations .scene-icon{width:30px;height:30px;font-size:23px}.destinations em{font-size:12px}.concept-link{font-size:11px;color:var(--ink);text-decoration:none;margin-right:8px;background:#faf9edcf;padding:11px 15px;border-radius:22px}.story-next{position:absolute;right:max(7vw,80px);bottom:192px;display:flex;flex-direction:column;align-items:flex-end;gap:10px}.story-next>span{font-size:10px;letter-spacing:2px;color:#435e45;background:#fff9e5d9;padding:5px 10px;border-radius:15px}.story-next button{background:#426b50;color:#fff9e7;border:1px solid #f1ecd180;box-shadow:0 5px 18px #263f3325;padding:15px 26px;border-radius:28px;font-size:13px;letter-spacing:1px}#transition{position:fixed;inset:0;z-index:30;background:#1f2d26;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:23px;color:#e8e4ca;opacity:0;pointer-events:none;transition:opacity .55s}#transition.show{opacity:1;pointer-events:auto}#transition span{font-family:"Songti SC",serif;font-size:17px;letter-spacing:4px}#transition strong{font-family:"Songti SC",serif;font-weight:400;font-size:25px;letter-spacing:5px}.hotspot{font-size:10px}#toast{bottom:190px}body .footer-hint{color:#466344;text-shadow:0 1px 5px #e5eccb}.intro:before{content:"";position:absolute;z-index:-1;inset:-28px -8px -22px -30px;background:radial-gradient(ellipse at left,#e6eddbcb,transparent 75%);pointer-events:none}.journey-heading{color:#37503b;text-shadow:0 1px 4px #e3ebd0}.journey-heading p{color:#4d6d4b}
@media(max-width:850px){.destinations{grid-template-columns:repeat(3,1fr)}.story-next{bottom:238px;right:70px}#toast{bottom:242px}.intro h1{font-size:35px}.intro{top:100px}.concept-link{display:none}.compass{bottom:260px}}
@media(max-width:560px){.intro{top:88px;width:220px}.intro h1{font-size:30px;letter-spacing:3px}#verse{font-size:10px;max-width:200px}.destinations{grid-template-columns:repeat(3,1fr)}.destinations button{padding:10px 7px;gap:6px}.destinations .scene-icon{display:none}.destinations strong{font-size:12px}.destinations small{font-size:7px;letter-spacing:.3px}.story-next{right:18px;bottom:199px;gap:6px}.story-next button{padding:12px 18px;font-size:11px}.story-next>span{font-size:8px}#toast{bottom:264px}.right-tools{top:35%}.footer-hint{font-size:7px}#transition strong{font-size:19px;letter-spacing:2px}#transition span{font-size:14px}.journey-heading p{font-size:8px}.intro:before{inset:-10px -10px -15px -20px}}

.intro{background:linear-gradient(120deg,#f6f6e8ed,#f3f5e3c9);padding:20px 22px;border:1px solid #ffffff6b;border-radius:16px;left:35px;top:110px;width:270px;box-shadow:0 8px 28px #183f2610}.intro h1{font-size:34px;margin:15px 0;letter-spacing:3px}.intro .hairline{margin:17px 0}.intro #verse{font-size:12px;letter-spacing:1px}.intro-note{font-size:10px}.intro:before{display:none}@media(max-width:850px){.intro{left:22px;top:100px;width:220px;padding:15px}.intro h1{font-size:28px}}@media(max-width:560px){.intro{top:82px;left:16px;width:188px;padding:12px 14px}.intro h1{font-size:25px;margin:9px 0}.intro #verse{font-size:9px;margin:8px 0}.eyebrow{font-size:7px;letter-spacing:1px}}

#music{font-size:17px}#music span{font-size:12px;margin-left:8px}#music:disabled{opacity:.65;cursor:wait}@media(max-width:560px){#music span{display:none}#music{padding:7px 11px}.top-actions{gap:4px}}

.right-tools{padding:6px;border-radius:20px;gap:3px}.right-tools button{width:62px;height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:14px}.right-tools button b{font-size:24px;font-weight:400;line-height:1}.right-tools button span{height:auto;background:none;margin:0;font-size:11px;line-height:1.4;letter-spacing:1px}.journey-heading #help{display:flex;align-items:center;gap:8px;background:#416a51;color:#fff9e9;border:1px solid #fff9e980;padding:10px 18px;border-radius:24px;font-size:13px;font-weight:600;box-shadow:0 4px 16px #223f3430;text-shadow:none}.journey-heading #help b{display:grid;place-items:center;width:20px;height:20px;background:#f6f1d9;color:#416a51;border-radius:50%;font-size:13px}@media(max-width:560px){.right-tools{right:10px;padding:4px}.right-tools button{width:48px;height:52px}.right-tools button b{font-size:20px}.right-tools button span{font-size:10px}.journey-heading #help{font-size:11px;padding:8px 12px;gap:5px}.journey-heading #help b{width:17px;height:17px}.journey-heading p{max-width:120px}}

.right-tools{right:18px;top:40%;padding:4px;gap:2px;border-radius:15px;z-index:5}.right-tools button{width:46px;height:47px;min-height:47px;padding:4px;gap:1px;overflow:hidden;flex-shrink:0}.right-tools button b{font-size:18px;line-height:20px}.right-tools button span{font-size:9px;line-height:12px;letter-spacing:0;display:block;flex:none;height:12px;margin:0;padding:0}.story-next{right:82px}.story-next button{font-size:11px;padding:12px 18px}.story-next>span{font-size:9px;letter-spacing:1px}@media(max-width:560px){.right-tools{right:8px}.right-tools button{width:39px;height:43px;min-height:43px}.right-tools button b{font-size:16px;line-height:18px}.right-tools button span{font-size:8px;line-height:11px;height:11px}.story-next{right:64px}.story-next button{font-size:10px;padding:10px 13px}}
