:root{--paper:#f7f6f2;--paper2:#efeee8;--navy:#142937;--text:#233943;--quiet:#667571;--line:#d9ded6;--red:#a34939;--sage:#dce4db;--sand:#e7dfce}
.skip-link{position:fixed;top:-100px;left:16px;z-index:20;background:var(--paper);color:var(--navy);padding:14px}.skip-link:focus{top:12px}
header{padding:25px 5%;gap:24px;font-size:12px}header nav{gap:28px;font-size:12px}
.hero{height:900px;min-height:900px}.copy{padding-top:204px;width:55%}.copy h1{font-size:clamp(48px,4.8vw,74px);letter-spacing:-2px;line-height:1.3}.copy .intro{font-size:14px;line-height:2.05;max-width:520px}
.hero-tags{display:flex;gap:10px;margin-top:28px}.hero-tags span{border:1px solid #a9bfb52c;border-radius:3px;padding:6px 12px;font-size:11px;color:#b5c7c0}.live-dot{display:inline-block;width:6px;height:6px;background:#a9c8b4;border-radius:50%;margin-right:8px}.art-controls{bottom:184px}.palette-controls{bottom:143px}.caption{bottom:97px}
.community-body{background:var(--paper);color:var(--text)}.wrap{width:min(1200px,86%);margin:auto}.section{padding-block:76px}.community-body [id]{scroll-margin-top:40px}
.dark.eyebrow{color:var(--red);font-size:10px;font-weight:500;letter-spacing:2px;margin-bottom:18px}
.community-body h2{font-family:"STSong","Source Han Serif SC",Georgia,serif;font-size:36px;line-height:1.5;margin:0}.community-body h3{font-size:19px;font-weight:600;line-height:1.5}.community-body p{font-size:14px;line-height:1.9;color:var(--quiet)}
/* One continuous paper surface: hierarchy comes from type and spacing. */
.quick-rail{display:flex;align-items:center;gap:44px;border-bottom:1px solid var(--line);min-height:86px}.rail-note{flex:1;font-family:"STSong",serif;font-size:15px;color:var(--quiet)}.quick-rail a{display:flex;align-items:center;gap:10px;min-height:44px;font-size:12px}.quick-rail svg{width:22px;height:22px;color:#547365}.quick-rail a:hover{color:var(--red)}
.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:110px;padding-bottom:62px}.about-grid .definition{font-size:14px;letter-spacing:2px;margin:15px 0 25px}.about-grid .lead{font-size:23px;color:var(--text);margin-top:0}.seal-note{font-size:11px;color:var(--red);display:inline-block;letter-spacing:2px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:24px;padding-top:4px}.principles b{display:block;font-weight:600;font-size:16px}.principles span{display:block;color:var(--quiet);font-size:11px;margin-top:8px}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:30px}.section-head p{font-size:13px;margin-bottom:4px}.section-note{font-size:11px!important;margin:16px 0 0}
.people-section{padding:0 0 66px}.people-section h2{font-size:29px}.people-section .section-head{margin-bottom:24px}.people-section .section-head p{font-size:12px}
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);column-gap:34px;row-gap:0}
.role-card{position:relative;text-align:left;padding:24px 18px 24px 56px;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;color:var(--text);cursor:pointer;transition:background .2s;min-width:0}
.role-card[aria-pressed=true]{background:linear-gradient(110deg,#dce4db8c,transparent);border-top-color:#7c927e}.role-card:hover{background:#dce4db60}.role-icon{position:absolute;left:12px;top:27px;width:28px;height:28px;color:#506c5b}.role-num{display:none}.role-card h3{margin:0 0 9px;font-size:17px}.role-card p{font-size:12px;min-height:46px;margin:0 0 13px}.role-card small{font-size:10px;color:var(--quiet);line-height:1.8;display:block}
.role-detail{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:25px 28px;background:#e9ede4;border-left:2px solid #9bab93;margin-top:8px}.role-detail small{font-size:10px;color:#6d765d}.role-detail h3{font-size:20px;margin:8px 0}.role-detail p{font-size:12px;margin:0}.role-detail a{font-size:12px;white-space:nowrap;color:#476052}
.community-life{padding-top:62px;border-top:1px solid var(--line)}
.showcase-tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin-bottom:0}.showcase-tabs button{padding:12px 2px 17px;background:none;border:0;border-bottom:2px solid transparent;font-size:14px;color:var(--quiet);cursor:pointer;min-height:44px}.showcase-tabs button[aria-selected=true]{border-color:var(--red);color:var(--red);font-weight:600}
.reservation{display:flex;align-items:center;gap:34px;padding:34px 28px 26px;min-height:210px;background:radial-gradient(ellipse at 8% 48%,#e8e9dfaa,transparent 58%)}.reservation-symbol{font-family:"STSong",serif;font-size:66px;line-height:1;width:120px;height:120px;border:1px solid #b1bcae80;border-radius:50%;display:grid;place-items:center;color:#718267;flex-shrink:0}.reservation h3{font-family:"STSong",serif;font-size:25px;font-weight:400;margin:13px 0}.reservation small{font-size:11px;color:#8c7351}.reservation p{font-size:13px;max-width:470px;margin-bottom:0}.reservation-mark{margin-left:auto;writing-mode:vertical-rl;letter-spacing:3px;font:10px/2.2 Georgia;color:#798273}.showcase-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:11px;color:var(--quiet);padding:4px 0 0}.showcase-foot a{font-size:12px;color:var(--text);min-height:44px;display:flex;align-items:center}
.community-journal{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;margin-top:42px}.mini-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);min-height:56px}.mini-heading h3{font-size:18px;margin:14px 0}.mini-heading a{font-size:11px;min-height:44px;display:flex;align-items:center}.mini-heading>span{font-size:11px;color:var(--quiet)}
.guide-grid{display:flex;flex-direction:column}.guide-card{display:flex;align-items:center;gap:18px;width:100%;text-align:left;padding:22px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer}.guide-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:50%;background:#e7ebe2;flex-shrink:0}.guide-icon svg{width:23px;height:23px;color:#5c7460}.guide-body{display:block;flex:1;min-width:0}.guide-body small{font-size:10px;color:var(--quiet)}.guide-body strong{display:block;font-size:17px;font-weight:500;margin:7px 0}.guide-body>span{display:block;font-size:12px;color:var(--quiet);line-height:1.75}.guide-arrow svg{width:21px;height:21px;color:#73866e}.guide-card:hover .guide-body strong,.guide-card:hover .guide-arrow svg{color:var(--red)}.guide-card:last-child{border-bottom:0}.updates-grid{display:flex;flex-direction:column;gap:18px}.content-empty{padding:22px 0;font-size:12px;line-height:1.85;color:var(--quiet)}.content-row{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.content-row b{display:block;font-size:14px;font-weight:500;line-height:1.7}.content-row small{display:block;color:var(--quiet);font-size:11px;margin-top:9px;line-height:1.8}
/* Cooperation and joining share the same dark closing surface. */
.join-section{background:var(--navy);color:var(--paper);padding:34px 0 72px}.join-section .mini-heading{border-color:#adbdba33}.join-section .mini-heading h3{font-size:16px;font-weight:500}.join-section .mini-heading a{color:#c5d0c2}.join-section p{color:#b4c6c0;font-size:13px}.join-section .eyebrow{color:#d3c39d}.demand-preview{position:relative;padding:28px 230px 34px 0}.demand-preview>div{font-size:11px;letter-spacing:1px;color:#b2c3a9}.demand-preview h3{font-size:25px;font-family:"STSong",serif;font-weight:400;margin:16px 0 10px}.demand-preview p{max-width:640px;margin:0}.status-dot{display:inline-block;width:6px;height:6px;background:#9cae8d;border-radius:50%;margin-right:8px}.outline-button{border:1px solid #8b9f90;background:transparent;padding:12px 18px;border-radius:3px;color:var(--text);display:inline-block;font:12px/1.6 Arial,"Microsoft YaHei",sans-serif;cursor:pointer;margin-top:10px}.demand-preview>.outline-button{position:absolute;right:0;top:58px;color:#d7dccc;border-color:#adbdba60}.demand-preview:has(.content-row){padding:10px 0 26px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.join-section .content-row{border-color:#adbdba33}.join-section .content-row small{color:#b4c6c0}
.join-invitation{position:relative;border-top:1px solid #adbdba33;padding-top:55px}.join-invitation h2{font-size:44px;line-height:1.4}.join-invitation p{margin-bottom:27px}.join-invitation .eyebrow{font-size:10px;letter-spacing:2px;margin-bottom:17px}.join-seal{position:absolute;right:75px;top:100px;display:block;color:#d4c4a2;border:1px solid #d4c4a266;outline:1px solid #d4c4a244;outline-offset:7px;padding:26px 18px;font:36px/1.6 "STSong",serif;letter-spacing:7px;transform:rotate(-7deg)}
.community-footer{background:var(--navy);border-top:1px solid #adbdba24;display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;padding:32px 7%;font-size:11px;color:#a9bdb5}.community-footer p{line-height:1.9}.community-footer>div{display:flex;gap:20px;justify-content:end;align-items:center;flex-wrap:wrap}.community-footer small{grid-column:1/-1;font-size:10px;color:#8aa39b}.community-footer .logo{font-size:25px}
#guide-dialog{color-scheme:light;color:var(--text);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:42px;max-width:680px;width:calc(100% - 32px);max-height:85vh;overflow:auto}#guide-dialog::backdrop{background:#0c202ed9}#guide-dialog h2{font:30px/1.5 "STSong",serif}#guide-dialog p,#guide-dialog li{font-size:14px;line-height:1.9;color:var(--quiet)}#guide-dialog h3{font-size:16px}.dialog-close{position:absolute;right:14px;top:10px;background:none;border:0;font-size:28px;cursor:pointer;color:var(--text);width:44px;height:44px}
.published-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-top:28px}.published-card{padding:22px 0;border-bottom:1px solid var(--line);min-width:0;overflow-wrap:anywhere}.published-card>span{display:grid;place-items:center;background:var(--sage);color:#576e57;width:55px;height:55px;border-radius:50%;font:24px "STSong",serif}.published-card p{font-size:12px}.published-card small{font-size:11px;color:var(--quiet)}.published-card a{display:inline-block;font-size:12px;padding-block:15px}.community-body a:focus-visible,.community-body button:focus-visible{outline:2px solid var(--red)}.join-section a:focus-visible{outline-color:#d4c4a2}
@media(max-width:1050px){header nav{gap:18px}.copy{width:62%}.copy h1{font-size:58px}.about-grid{gap:50px}.quick-rail{gap:24px}.rail-note{font-size:13px}.role-grid{column-gap:18px}.role-card{padding-left:47px;padding-right:10px}.role-icon{left:6px}.community-journal{gap:40px}.community-footer{grid-template-columns:1fr 1fr}.community-footer>div{grid-column:1/-1;justify-content:start}.demand-preview{padding-right:210px}.demand-preview h3{font-size:23px}}
@media(max-width:760px){
header{padding:20px 6%}header nav{display:none}.hero{height:1080px;min-height:1080px}.copy{width:100%;padding:126px 7% 0}.copy h1{font-size:44px;letter-spacing:-1px;line-height:1.4}.copy .intro{font-size:12px;max-width:340px;line-height:2}.copy .eyebrow{font-size:9px;letter-spacing:1.5px;margin-bottom:22px}.hero-tags{margin-top:20px}.hero-tags span{padding:5px 9px;font-size:9px}.actions{gap:18px}.primary{padding:14px 17px;font-size:12px}.primary span{margin-left:12px}.hero-bottom{font-size:10px}.art-controls{bottom:183px}.palette-controls{bottom:135px}.caption{bottom:85px}
.wrap{width:86%}.section{padding-block:48px}.quick-rail{gap:0;justify-content:space-between;min-height:73px}.rail-note{display:none}.quick-rail a{gap:6px;font-size:10px}.quick-rail svg{width:17px;height:17px}
.about-grid{grid-template-columns:1fr;gap:28px;padding-bottom:43px}.community-body h2{font-size:28px;line-height:1.45}.about-grid .definition{font-size:12px;margin-bottom:18px}.about-grid .lead{font-size:20px}.about-grid p{font-size:13px}.section-head{display:block;margin-bottom:22px}.section-head>p{margin-top:14px;font-size:12px}.people-section{padding-bottom:44px}.people-section h2{font-size:25px}.section-note{font-size:10px!important;line-height:1.8!important}
.role-grid{grid-template-columns:1fr 1fr;column-gap:18px}.role-card{padding:21px 2px}.role-icon{position:static;display:block;width:26px;height:26px;margin-bottom:14px}.role-card h3{font-size:15px;margin:0 0 9px}.role-card p{font-size:11px;line-height:1.85;min-height:61px;margin-bottom:10px}.role-card small{font-size:9px;line-height:1.9}.role-card[aria-pressed=true]{background:linear-gradient(110deg,#dce4db66,transparent)}.role-detail{padding:22px;display:block;margin-top:5px}.role-detail h3{font-size:18px}.role-detail a{display:inline-flex;align-items:center;min-height:44px;margin-top:9px}
.community-life{padding-top:42px}.reservation{padding:26px 0 17px;gap:18px;min-height:180px;align-items:start}.reservation-symbol{width:60px;height:60px;font-size:36px;margin-top:25px}.reservation h3{font-size:21px;line-height:1.6;margin:10px 0}.reservation small{font-size:10px}.reservation p{font-size:12px}.reservation-mark{display:none}.showcase-foot{font-size:10px;line-height:1.8;gap:12px}.showcase-foot a{font-size:10px;white-space:nowrap}.showcase-tabs{gap:25px}.showcase-tabs button{font-size:13px}
.community-journal{grid-template-columns:1fr;gap:26px;margin-top:26px}.guide-card{gap:14px;padding:20px 0}.guide-icon{width:37px;height:37px}.guide-icon svg{width:21px;height:21px}.guide-body strong{font-size:16px}.guide-body>span{font-size:11px}.guide-arrow svg{width:18px}.updates-grid{gap:12px}.mini-heading h3{font-size:17px}.mini-heading>span{font-size:10px}.content-empty{padding:18px 0}
.join-section{padding:24px 0 48px}.demand-preview{padding:24px 0 32px}.demand-preview h3{font-size:23px}.demand-preview p{font-size:12px}.demand-preview>.outline-button{position:static;margin-top:20px}.demand-preview:has(.content-row){grid-template-columns:1fr;gap:0}.join-invitation{padding-top:38px}.join-invitation h2{font-size:33px}.join-invitation p{font-size:12px;max-width:245px}.join-seal{right:7px;top:81px;font-size:19px;padding:12px 8px;letter-spacing:3px}.join-invitation .actions{align-items:start;flex-direction:column}
.community-footer{grid-template-columns:1fr;gap:15px;padding:30px 7%}.community-footer>div{font-size:10px;gap:16px}.community-footer small{font-size:9px}.published-grid{grid-template-columns:1fr;gap:12px}#guide-dialog{padding:30px 24px}#guide-dialog h2{font-size:25px}
}
@media(max-width:360px){.role-card h3{font-size:14px}.quick-rail a{font-size:9px;gap:4px}.copy h1{font-size:40px}.reservation{gap:12px}.reservation-symbol{width:48px;height:48px;font-size:30px}.join-seal{right:0;opacity:.75}}
@media(prefers-reduced-motion:reduce){.role-card{transition:none}}