:root{--ink:#262e28;--paper:#f5f2e9;--orange:#ed683f;--line:#d7d8cb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--orange);outline-offset:5px}header{height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;border-bottom:1px solid var(--line);position:sticky;top:0;background:#f5f2e9f5;z-index:20;backdrop-filter:blur(12px)}.brand{font-weight:800;display:flex;align-items:center;gap:10px;letter-spacing:1px}.brandmark{font-size:35px;color:var(--orange)}.brand small{font-size:11px;font-weight:400;border-left:1px solid var(--line);padding-left:12px}nav{display:flex;gap:28px;align-items:center;font-size:13px}.navjoin{border:1px solid var(--ink);padding:8px 15px;border-radius:30px}.hero{max-width:1440px;margin:auto;min-height:720px;padding:80px 7% 60px;display:grid;grid-template-columns:1fr 1fr;gap:30px;overflow:hidden}.eyebrow,.number{font-size:11px;letter-spacing:2px;font-weight:700}.eyebrow{color:#687566}h1{font-size:clamp(55px,6.3vw,94px);line-height:1.18;letter-spacing:-4px;margin:30px 0 25px}h1 i{font-size:44px;color:var(--orange);font-style:normal;vertical-align:top;margin-left:20px}.underline{position:relative}.underline:after{content:'';position:absolute;bottom:-5px;left:0;width:100%;height:8px;background:var(--orange);transform:rotate(-3deg);z-index:-1}.subtitle{font-size:25px;font-weight:600;line-height:1.6}.intro{font-size:14px;color:#667062}.actions{display:flex;align-items:center;gap:26px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:16px 24px;border-radius:5px;border:0;font-size:14px}.dark{background:var(--ink);color:white}.button:hover{background:#435342}.textlink{font-size:13px;border-bottom:1px solid}.hero-note{font-size:10px;color:#767c70;margin-top:24px}.hero-art{position:relative;min-height:520px}.orbit{position:absolute;width:430px;height:430px;border:1px dashed #b3b9a6;border-radius:50%;top:45px;left:20px;transform:rotate(20deg)}.paper{position:absolute;width:225px;height:290px;padding:30px;box-shadow:6px 8px 0 #26332912;border:1px solid #87937944}.paper span{display:block;font-size:70px;line-height:1.2}.paper b{font-size:26px;line-height:1.5;display:block;margin:22px 0}.paper small{font-size:9px;letter-spacing:2px}.p1{top:80px;left:0;background:#d6dfb7;transform:rotate(-12deg)}.p2{top:175px;right:-5px;background:#ecc36b;transform:rotate(10deg)}.ticket{position:absolute;left:20px;bottom:30px;padding:16px 25px;background:#f0a48d;border:1px dashed;transform:rotate(-5deg);font-size:12px}.ticket b{display:block;font-size:10px;letter-spacing:2px}.scribble{font-size:17px;position:absolute;right:18px;top:10px;transform:rotate(7deg)}.spark{position:absolute;right:-15px;top:115px;font-size:90px;color:var(--orange)}.doodle{font-size:60px;position:absolute;bottom:5px;right:20px;transform:rotate(35deg)}.art-label{position:absolute;bottom:-15px;right:40px;font-size:10px;letter-spacing:2px}.section{padding:85px 7%;max-width:1440px;margin:auto;border-top:1px solid var(--line)}h2{font-size:clamp(32px,3.5vw,49px);line-height:1.4;letter-spacing:-1px;margin:20px 0 30px}h2 em{font-style:normal;color:#75865e}.about{display:grid;grid-template-columns:1fr 1fr;gap:80px}.about-copy p{font-size:14px;color:#62705e}.about-copy .large{font-size:21px;color:var(--ink)}.margin-note{padding-left:18px;border-left:3px solid #b5c391;font-size:12px!important}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section-head>p{font-size:13px;color:#6d7869;max-width:300px}.map-section{background:#e9eddf;max-width:none}.map-layout{display:grid;grid-template-columns:1.12fr 1fr;gap:35px;max-width:1260px;margin:auto}.map-board{position:relative;height:580px;border:1px dashed #a5ae96;border-radius:14px;background:radial-gradient(#9da88c55 .7px,transparent .7px);background-size:18px 18px}.paths{position:absolute;width:100%;height:100%;fill:none;stroke:#7f8e70;stroke-width:1.8;stroke-dasharray:6 6}.map-center{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%) rotate(-4deg);width:158px;height:158px;background:#f7f4e8;border:1px solid var(--ink);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:5px 5px 0 #86947533}.map-center span{color:var(--orange);font-size:31px;line-height:1}.map-center b{font-size:17px;line-height:1.5}.map-center small{font-size:8px;margin-top:8px;letter-spacing:2px}.node{position:absolute;background:var(--paper);border:1px solid #a2ac96;border-radius:8px;padding:12px 10px;width:146px;min-height:120px;box-shadow:3px 4px 0 #77836c22;transition:transform .2s,background .2s}.node span{display:block;font-size:25px;line-height:1.2}.node b{font-size:16px;display:block;margin-top:5px}.node small{font-size:10px;display:block}.node.active,.node:hover{background:var(--role);border-color:var(--ink);transform:translateY(-4px)}.n0{left:8%;top:5%}.n1{right:5%;top:9%}.n2{right:3%;bottom:12%}.n3{left:25%;bottom:3%}.n4{left:2%;top:43%}.map-caption{position:absolute;bottom:12px;right:15px;font-size:9px;writing-mode:vertical-rl;letter-spacing:2px}.role-detail{background:#faf8f0;border:1px solid #b5bea9;border-radius:12px;padding:30px;min-height:580px}.role-top{display:flex;gap:14px;align-items:center;font-size:11px}.role-icon{background:var(--role);border:1px solid #899480;border-radius:50%;font-size:25px;width:45px;height:45px;text-align:center}.role-detail h3{font-size:30px;margin:15px 0 5px}.mission{font-size:16px}.blocks{font-size:11px;color:#6c7667}.phase-tabs{display:flex;border-bottom:1px solid var(--line);margin-top:23px}.phase-tabs button{border:0;background:none;padding:10px 15px;color:#6a7463;font-size:12px}.phase-tabs [aria-selected=true]{color:var(--ink);border-bottom:3px solid var(--orange);font-weight:700}.phase-text{font-size:13px;min-height:90px}.deliver{background:#edf0e5;padding:14px 16px;font-size:12px;border-radius:5px}.deliver p{margin:5px 0 0}.fit,.role-note{font-size:12px}.role-note{border-left:2px solid var(--orange);padding-left:12px;color:#5c6855}.choose{border:0;background:none;border-bottom:1px solid;padding:7px 0;font-weight:700;font-size:13px}.observer{max-width:1260px;margin:26px auto 0;display:flex;gap:20px;align-items:center;border-top:1px solid #c9d0bc;padding-top:20px}.observer>span{font-size:40px}.observer b{font-size:14px}.observer p{font-size:12px;margin:5px 0}.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}.timeline article{border-top:2px solid #9ca88e;position:relative;padding-top:20px}.step{font-size:13px;border:1px solid #a7b197;border-radius:50%;padding:8px;background:var(--paper)}.stage-label{font-size:11px;color:#869476}.timeline h3{font-size:17px;line-height:1.6;min-height:55px}.timeline p{font-size:12px;color:#6d7866}.role-chips{display:flex;flex-wrap:wrap;gap:5px}.role-chips button{border:1px solid #c9cebf;border-radius:20px;background:none;font-size:9px;padding:4px 8px}.role-chips button:hover{background:#dce4cd}.together{background:#e5e9e0;max-width:none}.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:40px 0 60px}.work-grid article{border-top:1px solid #b6c0ac;padding-top:20px}.work-grid article>span{font-size:35px}.work-grid h3{font-size:17px}.work-grid p,.memory-strip p{font-size:13px;color:#63715b}.memory-strip{display:grid;grid-template-columns:.8fr 1fr;gap:50px;align-items:center}.film{min-height:220px;background:#d6bf8f;transform:rotate(-3deg);border:12px solid #29332b;border-top-style:dotted;border-bottom-style:dotted;display:flex;align-items:center;justify-content:center;gap:22px;padding:20px}.film span{font-size:65px;color:#f5f2e9}.film b{font-size:22px;line-height:1.7}.memory-strip h3{font-size:25px}.know{background:#ede4d4;max-width:none;border-top:1px solid #c7bdab}.stamp{font-size:11px;line-height:2;border:1px solid #a96644;border-radius:50%;width:150px;height:80px;text-align:center;padding-top:14px;color:#a96644;transform:rotate(-9deg)}.know-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.know-grid article{background:#f7f3e9;border:1px solid #d3c7b1;padding:30px}.tag{display:inline-block;font-size:11px;border:1px solid #b7bda9;border-radius:20px;padding:4px 12px}.know-grid h3{font-size:23px;line-height:1.65}.know-grid p{font-size:13px}.pending{color:#8d583b;font-size:12px!important}.know-grid .culture{grid-column:1/-1;background:none;display:flex;gap:30px;align-items:center}.culture .tag{white-space:nowrap}.join-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:60px}label{display:block;font-size:12px;font-weight:600;margin-bottom:22px}input:not([type=checkbox]),select,textarea{display:block;width:100%;margin-top:8px;padding:12px 14px;border:1px solid #bfc6b4;border-radius:4px;background:#faf9f3;color:var(--ink);font-size:13px}textarea{min-height:88px;resize:vertical}.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.check{display:flex;gap:10px;align-items:start;font-size:12px;font-weight:400}.check input{margin-top:7px;accent-color:var(--ink)}.form-note{font-size:11px;color:#727c69}.join-aside{padding:30px;background:#e8ecde;align-self:start;border-radius:8px;border:1px dashed #a9b297}.join-aside h3{font-size:25px;line-height:1.5}.join-aside p{font-size:12px}.next-path{border-top:1px solid #c2cbb5;margin-top:25px;padding-top:20px;display:flex;flex-direction:column;gap:8px;font-size:12px}.next-path b{color:#879571}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.8 inherit;max-height:360px;overflow:auto;padding:15px;background:#f5f2e9}#copy{background:var(--ink);color:white;border:0;padding:9px 15px;border-radius:3px}footer{border-top:1px solid var(--line);padding:30px 7%;display:flex;justify-content:space-between;align-items:center;font-size:11px}footer .brand{font-size:13px}footer p{color:#7b8471}@media(min-width:1600px){.map-section,.together,.know{padding-left:calc((100vw - 1240px)/2);padding-right:calc((100vw - 1240px)/2)}}@media(max-width:900px){header{padding:0 5%;height:72px}nav{gap:16px}nav>a:not(.navjoin){display:none}.hero{padding:50px 6%;gap:0}.hero-art{transform:scale(.8);transform-origin:center;min-height:500px;margin-left:-30px}.hero h1{font-size:65px}.section{padding:60px 6%}.about{gap:35px}.map-layout{grid-template-columns:1fr}.map-board{max-width:650px;width:100%;margin:auto}.role-detail{min-height:0}.phase-text{min-height:65px}.timeline{grid-template-columns:1fr 1fr}.timeline article:last-child{grid-column:1/-1}.join-layout{gap:25px}.memory-strip{gap:30px}.film b{font-size:17px}.film span{font-size:40px}}@media(max-width:600px){header .brand{font-size:13px}header .brand small{display:none}.navjoin{font-size:11px;padding:7px 10px}.hero{display:flex;flex-direction:column;padding:40px 6% 35px}.hero h1{font-size:66px;letter-spacing:-3px;margin-top:20px}.hero h1 i{font-size:33px}.subtitle{font-size:21px}.intro{font-size:12px}.hero-note{font-size:9px}.actions{gap:20px}.button{padding:13px 18px;font-size:12px}.hero-art{height:420px;min-height:420px;transform:scale(.85);margin:0 -10px;transform-origin:center}.orbit{width:320px;height:320px;top:50px;left:0}.paper{width:180px;height:230px;padding:20px}.paper span{font-size:48px}.paper b{font-size:22px;margin:15px 0}.p1{top:55px;left:0}.p2{top:140px;right:0}.ticket{bottom:0;left:0}.scribble{top:0;font-size:15px}.spark{font-size:65px;top:80px;right:-10px}.art-label{bottom:-35px;right:0}.doodle{bottom:-20px}.section{padding:50px 6%}h2{font-size:32px}.about{grid-template-columns:1fr;gap:0}.about-copy .large{font-size:18px}.section-head{display:block;margin-bottom:25px}.section-head>p{font-size:12px}.map-board{height:470px}.node{width:112px;min-height:105px;padding:10px 5px}.node b{font-size:14px}.node small{font-size:8px}.n0{left:3%;top:4%}.n1{right:2%;top:7%}.n2{right:1%;bottom:10%}.n3{left:12%;bottom:3%}.n4{left:0;top:40%}.map-center{width:125px;height:125px;left:59%;top:47%}.map-center b{font-size:14px}.map-caption{font-size:8px}.role-detail{padding:24px}.role-detail h3{font-size:27px}.observer{align-items:start;gap:14px}.observer b{font-size:12px}.observer p{font-size:11px}.timeline{display:flex;flex-direction:column;gap:25px}.timeline article{padding:10px 0 10px 45px;border-top:0;border-left:1px solid #a7b197}.step{position:absolute;left:-18px;top:18px}.timeline h3{min-height:0;font-size:18px;margin:5px 0}.stage-label{margin:0}.timeline p{font-size:12px}.work-grid{grid-template-columns:1fr;gap:15px;margin:20px 0 35px}.work-grid article{padding-top:10px}.work-grid h3{margin:4px 0}.work-grid article>span{float:right}.memory-strip{grid-template-columns:1fr;gap:20px}.film{min-height:180px;margin:10px}.film b{font-size:22px}.know-grid{grid-template-columns:1fr;gap:15px}.know-grid article{padding:23px}.know-grid h3{font-size:21px}.know-grid .culture{display:block}.stamp{display:none}.join-layout{grid-template-columns:1fr;gap:30px}.fields{grid-template-columns:1fr;gap:0}.join-aside{grid-row:1;padding:23px}.join-aside h3{font-size:23px;margin:18px 0}.next-path{font-size:11px}footer{flex-direction:column;gap:12px;text-align:center}footer p{margin:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


.team-scene{margin:0;min-width:0}.team-scene img{display:block;width:100%;height:320px;object-fit:cover;object-position:50% 18%;border:9px solid #f6f3e9;box-shadow:3px 4px 0 #26332918;transform:rotate(-2deg)}.team-scene figcaption{font-size:11px;color:#63715b;margin:12px 0 0;text-align:center}.qr-link{display:block;margin:22px 0 12px}.contact-qr{display:block;width:100%;max-width:340px;height:auto;margin:auto;background:white;border-radius:8px}.qr-original{font-size:13px;text-decoration:underline}@media(max-width:600px){.team-scene img{height:280px}.contact-qr{max-width:300px}}

.beichen-stories{margin-top:24px;border-top:1px solid #c7cfba;padding-top:16px}.beichen-stories summary{cursor:pointer;width:fit-content;font-size:14px;font-weight:700;color:#43563b;min-height:44px;padding:8px 0;text-decoration:underline;text-underline-offset:5px}.beichen-stories summary:focus-visible{outline:3px solid #ed683f;outline-offset:4px}.story-links{display:grid;gap:14px;padding:12px 0}.story-links a{display:block;padding:14px 16px;border:1px solid #c7cfba;border-radius:6px;font-size:13px;line-height:1.8;background:#edf0e5;overflow-wrap:anywhere}.story-links a:hover{background:#e1e8d5}.story-links span{white-space:nowrap}.story-links small{font-size:11px;color:#6d7866}