:root{color-scheme:light;--paper:#f5f3ec;--ink:#183b33;--muted:#656b61;--line:#dadcd2;--accent:#b34933;--green:#234f40}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #c88050;outline-offset:4px}[hidden]{display:none!important}.site-header{max-width:1540px;margin:auto;padding:30px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:14px;letter-spacing:1.5px}.brand b{font-weight:400;color:var(--muted)}.brand-mark{font-family:Georgia,serif;display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--paper);width:34px;height:38px;font-size:26px;letter-spacing:-7px;padding-right:7px;border-radius:2px}.brand-mark span{font-style:italic;font-size:30px;transform:translateY(3px)}.header-right{display:flex;align-items:center;gap:24px}.edition{font-size:11px;letter-spacing:1px;color:var(--muted)}.language{background:transparent;border:1px solid #b8c0b5;border-radius:50%;width:34px;height:34px;font-size:11px;color:var(--ink)}main{max-width:1540px;margin:auto;padding:0 5%}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:7%;padding:64px 0 56px}.intro{padding:9px 0 0}.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 25px;font-size:12px;letter-spacing:1px}.status-dot{width:7px;height:7px;background:var(--accent);border-radius:50%}h1{font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(40px,4.25vw,67px);font-weight:500;line-height:1.18;letter-spacing:-1.8px;margin:0 0 22px}.lead{font-size:15px;line-height:1.85;max-width:440px;margin:0 0 25px;color:#46584c}.developer-note{border-left:2px solid #b8bcae;padding:0 0 0 18px;max-width:500px;margin-bottom:32px}.developer-note p{font-size:12px;line-height:1.95;margin:0 0 10px;color:var(--muted)}.signature{font:italic 13px Georgia,serif;color:var(--ink)}.join h2{font-size:17px;font-weight:600;margin:0 0 6px}.join-note{font-size:11px;color:var(--muted);margin:0 0 16px}.input-label{display:block;font-size:11px;margin:0 0 7px}.email-row{display:flex;gap:8px}.email-row input{flex:1;width:100%;min-width:0;border:1px solid #bdc6b9;border-radius:3px;background:#fffef9;color:var(--ink);height:48px;padding:0 13px;font-size:13px}.email-row input::placeholder{color:#94998e}.primary{border:1px solid var(--green);border-radius:3px;background:var(--green);color:white;display:inline-flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;padding:0 17px;font-size:12px;text-decoration:none;font-weight:500;white-space:nowrap;transition:background .15s}.primary:hover{background:#173b2e}.primary>span:last-child{font-size:18px}.consent{display:flex;align-items:flex-start;gap:7px;margin-top:12px;font-size:10px;color:var(--muted);line-height:1.7}.consent input{accent-color:var(--green);flex:none;margin:3px 0 0;width:13px;height:13px}.consent a{text-underline-offset:3px}.form-message{min-height:16px;font-size:11px;line-height:1.6;margin:8px 0 0}.form-message.error{color:#a13d2b}.form-message.success{color:var(--green)}.desktop-note{font-size:10px;line-height:1.7;color:#7a8073;display:flex;align-items:flex-start;gap:5px;margin:12px 0 0}.desktop-note>span:first-child{font-size:15px;line-height:1}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.returning{padding-top:14px;display:flex;align-items:center;gap:16px}.text-button{border:0;background:none;padding:6px 0;font-size:11px;color:var(--muted);text-decoration:underline;text-underline-offset:4px}.world{margin:0;display:flex;flex-direction:column;padding-top:2px;min-width:0}.world-window{position:relative;flex:1;min-height:530px;overflow:hidden;background:#69795e;border-radius:4px}.world-window img{position:absolute;max-width:none;height:116%;width:145%;object-fit:cover;object-position:20% center;left:-4%;top:-7%;filter:saturate(.73)}.world-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,35,27,.10) 40%,rgba(11,35,27,.8) 100%)}.preview-badge{position:absolute;top:22px;left:22px;font-size:10px;color:#fcf8e9;background:rgba(22,44,34,.8);padding:8px 11px;display:flex;gap:7px;border:1px solid #ffffff24;border-radius:2px}.preview-badge>span:first-child{font-size:7px;line-height:1.7;color:#dfb573}.world-caption{position:absolute;bottom:34px;left:30px;color:#f6f0dc;right:20px}.coordinate{font-size:9px;letter-spacing:2.8px}.world-caption p{font-family:Georgia,"Songti SC",serif;font-size:27px;line-height:1.5;letter-spacing:.5px;margin:12px 0 0}.world figcaption{display:flex;justify-content:space-between;gap:12px;padding-top:13px;font-size:10px;color:#727969}.image-number{font-size:8px;letter-spacing:1px}.experience{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.small-label{font-size:8px;letter-spacing:1.8px;color:#888d7c}.experience-heading h2{font-size:15px;font-weight:500;margin:11px 0 0}.keyset{font-family:monospace;font-size:11px;letter-spacing:2px;color:#8b614b}.control p{font-size:12px;font-weight:500;margin:9px 0 6px}.control>span:last-child{font-size:10px;line-height:1.7;color:var(--muted);display:block}footer{max-width:1540px;margin:auto;padding:25px 5% 32px;display:flex;align-items:center;gap:20px;color:#7a8073;font-size:9px}footer>span:nth-child(2){margin-right:auto}footer a{text-decoration:none}.privacy-main{max-width:760px;margin:60px auto;padding:0 25px}.privacy-main h1{font-size:38px;letter-spacing:0;margin-bottom:30px}.privacy-main h2{font-size:18px;margin-top:32px}.privacy-main p,.privacy-main li{font-size:14px;color:#596357;line-height:1.9}.privacy-main .back{font-size:13px}.privacy-main .english{border-top:1px solid var(--line);margin-top:45px;padding-top:20px}html[lang=en] h1{font-size:clamp(42px,4.5vw,69px);letter-spacing:-2px}html[lang=en] .developer-note p{line-height:1.75}html[lang=en] .consent{font-size:10px}html[lang=en] .email-row{flex-wrap:wrap}html[lang=en] .email-row input{flex-basis:45%}html[lang=en] .email-row .primary{flex-grow:1}
@media(min-width:1600px){.hero{padding-top:74px}.world-window{min-height:650px}}@media(max-width:1000px){.hero{gap:5%;padding-top:45px}.email-row{flex-wrap:wrap}.email-row .primary{width:100%}.world-window{min-height:610px}.world-window img{width:180%;left:-12%}.experience{gap:20px;grid-template-columns:1.2fr 1fr 1fr 1fr}.edition{display:none}.world-caption p{font-size:23px}}@media(max-width:700px){.site-header{padding:21px 6%}.hero{display:flex;flex-direction:column;padding:32px 0;gap:32px}main{padding:0 6%}.intro{padding:0}.eyebrow{margin-bottom:18px}h1,html[lang=en] h1{font-size:45px;letter-spacing:-1px}.lead{font-size:14px;margin-bottom:24px}.developer-note{margin-bottom:27px}.developer-note p{font-size:12px}.email-row{flex-wrap:nowrap}.email-row .primary{width:auto}.primary{padding:0 12px;font-size:11px;gap:12px}.consent,.join-note,.desktop-note{font-size:11px}.world{order:2}.world-window{min-height:360px;max-height:450px}.world-window img{height:135%;width:135%;left:0;top:-18%;object-position:left center}.world-caption{left:24px;bottom:25px}.world-caption p{font-size:25px}.preview-badge{left:20px;top:18px}.experience{grid-template-columns:repeat(3,1fr);gap:22px 16px;padding:25px 0}.experience-heading{grid-column:1/-1}.experience-heading h2{font-size:18px}.control>span:last-child{font-size:11px}.control p{font-size:12px}footer{flex-wrap:wrap;gap:12px;padding:23px 6%}.privacy-main{margin-top:40px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* REV2: the approved atmosphere art is the page, with readable editorial layers. */
:root{color-scheme:dark;--paper:#101e21;--ink:#f5ead1;--muted:#d5d5c8;--line:#f0ddaf35;--accent:#e9b56b;--green:#d9ae67}
body{isolation:isolate;background:#101e21;position:relative;min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:url('/atmosphere.png') center center/cover no-repeat;transform:scale(1.6) translateY(-12%);transform-origin:center;pointer-events:none}
body::after{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(90deg,#081820b8 0%,#0d1b2380 42%,#0a141d38 100%),linear-gradient(0deg,#06131de8 0%,transparent 55%,#0d192c50 100%);pointer-events:none}
.site-header{background:#101e2150;backdrop-filter:blur(8px);max-width:none;padding:22px 5%}
.brand b{color:#e9bf79}.brand-mark{background:#e7c48b;color:#17352f}.edition{color:#e6ddc5}
.language{width:auto;height:auto;min-height:40px;border-radius:4px;padding:8px 30px 8px 12px;font:12px "Segoe UI",sans-serif;letter-spacing:0;background:#122c2be0;color:#f3e5c7;border-color:#e2d5b966;max-width:145px}
.background-note{font-size:10px;color:#e0d5bb;margin:22px 0 0;letter-spacing:.6px}
.hero{gap:5%;padding:20px 0 45px;align-items:stretch}
.intro{background:linear-gradient(140deg,#102423ed,#102622c7);border:1px solid #e1ca9435;border-radius:8px;padding:30px 28px;backdrop-filter:blur(9px);box-shadow:0 15px 60px #020d1660}
h1,html[lang=en] h1{font-size:clamp(38px,3.7vw,60px);text-shadow:0 2px 14px #071c21;letter-spacing:-1px}
.lead{color:#f0e5cc}.developer-note{border-color:#d3ac6770}.developer-note p{color:#e0dccb;font-size:13px;line-height:1.85}.join-note{color:#ded7c0}.input-label{font-size:12px}.consent{font-size:11px;color:#e0dbc9}.desktop-note{color:#d6d4c9}
.email-row{flex-wrap:wrap!important}.email-row input{background:#f5f0e4;color:#183b33;border-color:#f3ddaa90;flex-basis:100%!important}.email-row .primary{width:100%;color:#162d29;background:#e5bd7b;border-color:#e5bd7b;justify-content:center;font-size:13px}.primary:hover{background:#f1d19d}.form-message.success{color:#ead39c}.form-message.error{color:#ffbb9d}.text-button{color:#edd7aa}.returning{flex-wrap:wrap}.returning .primary{color:#142d26;background:#e5bd7b}
.world-window{border:1px solid #e6ce9d75;box-shadow:0 20px 65px #0006;border-radius:7px;min-height:600px}.world figcaption{color:#e7dcc1}.preview-badge{color:#f7edda;background:#132a27e8;border-color:#e3cb8e80}.experience{background:#102423d9;backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:7px;padding:25px 28px;gap:25px}.keyset{color:#f2c67e}.small-label{color:#e6c58f}.control>span:last-child{color:#e0dccb}.experience-heading h2{color:#f6e6c5}footer{color:#e5d5b5;background:#091b2480;max-width:none;margin-top:24px}.privacy-main{background:#102423ed;border:1px solid var(--line);border-radius:8px;padding:32px;backdrop-filter:blur(12px)}.privacy-main p,.privacy-main li{color:#e3dcc7}.privacy-main .language{margin-bottom:20px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #f4d58d;outline-offset:3px}
@media(max-width:1000px){.intro{padding:25px 22px}.hero{gap:3%}.world-window{min-height:680px}.header-right{gap:12px}}
@media(max-width:700px){body::before{transform:scale(1.6) translateY(-12%);background-position:48% center}.site-header{padding:18px 6%}.brand{font-size:12px;letter-spacing:1px}.background-note{font-size:9px;line-height:1.7}.intro{padding:24px 20px}h1,html[lang=en] h1{font-size:40px}.hero{padding-top:16px}.world-window{min-height:420px}.experience{padding:23px 20px;gap:22px 12px}.language{padding:8px 20px 8px 9px;max-width:125px}.header-right{gap:8px}.developer-note p{font-size:12px}.privacy-main{margin:28px 6%;padding:24px 20px}.privacy-main h1{font-size:32px}.privacy-main p{font-size:13px}.world-caption p{font-size:24px}.preview-badge{max-width:calc(100% - 36px);font-size:9px;line-height:1.5}}

@media(max-width:700px){.hero{gap:28px}}

/* REV4: existing brand wordmark and an unaltered 2.5D work-in-progress panorama. */
.site-header .brand{font-family:Georgia,"Songti SC",serif;font-size:27px;letter-spacing:.3px;white-space:nowrap}.site-header .brand b{font-weight:400;color:#e9bf79}
.next-chapter{margin:0 0 34px;padding:28px;background:#102423e6;border:1px solid var(--line);border-radius:7px;backdrop-filter:blur(8px);min-width:0}
.next-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.next-heading .small-label{margin:0 0 12px;font-size:10px}.next-heading h2{font-family:Georgia,"Songti SC",serif;font-size:clamp(24px,2.4vw,35px);font-weight:400;line-height:1.3;margin:0}.work-badge{padding:8px 12px;border:1px solid #e9bf7960;color:#f4cf91;font-size:10px;letter-spacing:1px;flex-shrink:0;border-radius:3px}.next-description{max-width:820px;color:#e0dccb;font-size:13px;line-height:1.85;margin:18px 0 24px}
.street-preview{margin:0;min-width:0}.street-scroll{overflow-x:auto;overscroll-behavior-x:contain;border:1px solid #e9bf7950;border-radius:4px;background:#1e2323;scrollbar-color:#c7a66c #102423}.street-scroll img{display:block;width:100%;height:auto;max-width:none}.street-scroll:focus-visible{outline:3px solid #f4d58d;outline-offset:3px}.street-preview figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:13px;font-size:11px;line-height:1.6;color:#d6d4c9}.street-preview figcaption a{color:#f4cf91;text-underline-offset:4px}.street-hint{display:none;color:#d6d4c9;font-size:11px;line-height:1.7;margin:12px 0 0}
@media(max-width:700px){.site-header .brand{font-size:22px}.next-chapter{padding:23px 20px;margin-bottom:28px}.next-heading{align-items:flex-start;flex-direction:column;gap:14px}.next-heading h2{font-size:27px}.next-description{font-size:12px;margin:17px 0 20px}.street-scroll img{width:1200px}.street-hint{display:block}.street-preview figcaption{font-size:10px}}

/* REV6: same-page panorama with a persistent return control. */
body:has(#street-dialog[open]){overflow:hidden}
.street-open{font:inherit;min-height:44px;color:#f4cf91;border:0;background:none;padding:8px 0;text-decoration:underline;text-underline-offset:4px;cursor:pointer;text-align:left}
.panorama-dialog{width:96vw;max-width:1920px;height:92dvh;max-height:1100px;padding:0;border:1px solid #e9bf7970;border-radius:8px;background:#102423;color:#f5ead1;box-shadow:0 20px 100px #000a}
.panorama-dialog[open]{display:flex;flex-direction:column}.panorama-dialog::backdrop{background:#051117d9;backdrop-filter:blur(5px)}
.panorama-header{display:flex;align-items:center;justify-content:space-between;flex:none;gap:16px;padding:14px 18px;border-bottom:1px solid #e9bf7950;background:#102423}
.panorama-header h2{font:400 20px Georgia,"Songti SC",serif;margin:0;line-height:1.4}.panorama-actions{display:flex;align-items:center;gap:10px;flex:none}
.panorama-actions button{min-height:44px;border:1px solid #e9bf7970;border-radius:4px;padding:9px 14px;background:#193c34;color:#f5ead1;font:13px "Segoe UI",sans-serif;cursor:pointer}
#panorama-close{background:#e5bd7b;color:#162d29;border-color:#e5bd7b}.panorama-scroll{overflow:auto;min-height:0;flex:1;background:#171d20;overscroll-behavior:contain}
.panorama-scroll img{display:block;width:100%;height:auto;max-width:none;margin:0}.panorama-dialog.original-size .panorama-scroll img{width:auto}
.panorama-dialog:not(.original-size) .panorama-scroll img{width:100%;height:100%;object-fit:contain}
@media(max-width:700px){.panorama-dialog{width:96vw;height:94dvh;max-height:none}.panorama-header{align-items:flex-start;flex-direction:column;gap:10px;padding:12px}.panorama-header h2{font-size:18px}.panorama-actions{width:100%;justify-content:space-between}.panorama-actions button{padding:9px 10px;font-size:12px}}