:root{--paper:#f7f5ef;--ink:#1e2a22;--muted:#667067;--green:#245b43;--line:#d8ddd6;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.shell{width:min(1080px,calc(100% - 40px));margin-inline:auto}.site-header{height:72px;padding:0 max(20px,calc((100vw - 1080px)/2));display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);background:rgba(247,245,239,.96);position:sticky;top:0;z-index:10}.wordmark{font-size:20px;font-weight:800;letter-spacing:.05em}.wordmark small{font-size:10px;color:var(--green);margin-left:5px}.site-nav{display:flex;gap:22px;margin-left:auto;font-size:14px}.site-nav a{padding:8px 0;color:var(--muted)}.site-nav a:hover,.site-nav .active{color:var(--green)}.menu-button{display:none;margin-left:auto;border:1px solid var(--line);background:transparent;border-radius:8px;padding:7px 11px}.hero{padding:96px 0 82px;max-width:850px;margin-left:max(20px,calc((100vw - 1080px)/2))}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--green)}.hero h1,.page>h1{font-size:clamp(42px,7vw,80px);line-height:1.08;letter-spacing:-.05em;margin:14px 0 24px}.page>h1{font-size:clamp(38px,6vw,64px)}.lead{max-width:720px;color:var(--muted);font-size:18px}.actions{display:flex;align-items:center;gap:24px;margin-top:32px}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;background:var(--green);color:#fff;padding:12px 20px;font-weight:700;cursor:pointer}.button:disabled{opacity:.55}.text-link{color:var(--green);font-weight:700}.modules{padding:28px 0 80px}.section-title{margin-bottom:26px}.section-title h2{font-size:32px;margin:4px 0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.module-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px;min-height:255px;display:flex;flex-direction:column;transition:.2s}.module-card:hover{transform:translateY(-3px);border-color:var(--green)}.module-card span{font-size:12px;color:var(--green);font-weight:800}.module-card h3{font-size:23px;margin:30px 0 8px}.module-card p{color:var(--muted);margin:0 0 24px}.module-card b{margin-top:auto;color:var(--green)}.notice{border-top:1px solid var(--line);padding:32px 0 70px;display:grid;grid-template-columns:180px 1fr;gap:30px}.notice p{margin:0;color:var(--muted)}.page{padding:72px 0 90px}.narrow{max-width:760px}.principles{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:44px 0}.principles article,.panel,.discussion{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px}.principles span{font-size:12px;color:var(--green);font-weight:800}.principles h2{font-size:21px;margin:14px 0 4px}.principles p{color:var(--muted);margin:0}.panel{margin-top:38px}.field{margin-bottom:20px}.field>label,.field>legend{display:block;font-weight:700;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid #cbd1ca;border-radius:9px;background:#fff;padding:11px 12px;color:var(--ink)}.field textarea{resize:vertical}.choices{display:flex;flex-wrap:wrap;gap:8px}.choices label{position:relative}.choices input{position:absolute;width:1px;height:1px;opacity:0}.choices span{display:block;border:1px solid var(--line);border-radius:999px;padding:7px 13px;cursor:pointer}.choices input:checked+span{border-color:var(--green);background:var(--green);color:#fff}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}fieldset{border:0;padding:0}.form-status{min-height:24px;margin:14px 0 0;color:var(--muted)}.form-status[data-state=success]{color:var(--green)}.form-status[data-state=error]{color:#a33}.roundtable-layout{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(340px,1.15fr);gap:18px;margin-top:38px;align-items:start}.roundtable-layout .panel{margin:0}.panel h2,.discussion h2{margin-top:0}.discussion-head{display:flex;align-items:center;justify-content:space-between}.small-button,.like-button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:6px 11px;cursor:pointer}.post-card{border-top:1px solid var(--line);padding:18px 0}.post-card:first-child{border-top:0}.post-meta,.post-foot{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}.post-card>p{white-space:pre-wrap}.post-foot strong{color:var(--ink)}.empty-state{color:var(--muted);padding:30px 0}.site-footer{border-top:1px solid var(--line);padding:24px max(20px,calc((100vw - 1080px)/2));display:flex;justify-content:space-between;color:var(--muted);font-size:13px}@media(max-width:720px){.site-header{height:64px}.menu-button{display:block}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 20px;flex-direction:column;gap:4px}.site-nav.open{display:flex}.hero{padding:64px 0 54px;width:calc(100% - 40px)}.hero h1,.page>h1{font-size:42px}.card-grid,.principles,.roundtable-layout,.two-cols{grid-template-columns:1fr}.notice{grid-template-columns:1fr;gap:6px}.page{padding-top:52px}.site-footer{flex-direction:column;gap:6px}.module-card{min-height:210px}}