:root{color-scheme:light;--ink:#20302b;--muted:#687972;--line:#dce5dd;--green:#28634b;--pale:#eef5ef;--paper:#fff;--bg:#f7f8f4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--ink);border-radius:10px;padding:9px 14px}button:hover{border-color:var(--green);color:var(--green)}button:disabled{opacity:.55;cursor:not-allowed}header{height:auto;min-height:80px;padding:14px max(5vw,24px);display:flex;align-items:center;gap:26px;border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}.mark{background:#29634d;color:white;width:39px;height:39px;border-radius:11px;text-align:center;line-height:39px;font-weight:700}.brand strong{display:block;font-size:17px;line-height:1.2}.brand small{font-size:10px;color:var(--muted)}nav{display:flex;gap:5px;flex:1;flex-wrap:wrap}nav button,#account button{border:0;background:transparent;padding:8px 10px}#account{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px}main{max-width:1160px;margin:auto;padding:32px 24px 80px;min-height:calc(100vh - 130px)}.hidden,.view.hidden{display:none!important}.hero{min-height:330px;border-radius:18px;background:radial-gradient(circle at 84% 10%,#8eb69d55,transparent 35%),linear-gradient(120deg,#143b31,#245c46);color:white;padding:50px 6%;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow,.section-head small,.panel>small{font-size:11px;letter-spacing:.17em;font-weight:700;color:#7eb8a0}.hero h1{font-size:clamp(32px,4.8vw,58px);line-height:1.2;margin:16px 0 12px;letter-spacing:-.04em}.hero p{color:#d6e9dd;margin:0 0 26px}.primary{background:var(--green);color:white;border:1px solid var(--green);padding:11px 18px;font-weight:650}.primary:hover{background:#1c4937;color:white}.hero .primary{background:white;color:#1b4535;border-color:white}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin:42px 0 20px}.section-head h2,.panel h2{font-size:27px;margin:4px 0}.section-head small,.panel>small{color:var(--green)}.section-head>span,.hint{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.card,.panel,.list-item{border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:24px}.card{min-height:190px;cursor:pointer}.card:hover{border-color:#8cb7a2;box-shadow:0 8px 24px #18352a0b}.card small,.meta{font-size:12px;color:var(--muted)}.card h3,.list-item h3{margin:16px 0 8px;font-size:20px}.card p{color:#52665a;margin:0 0 24px}.panel{max-width:760px;margin:0 auto 20px}.panel.narrow{max-width:430px;margin:56px auto}.panel h3{margin-top:0}.tabs{display:flex;gap:6px;margin:20px 0}.tabs .active{background:var(--pale);color:var(--green);border-color:#a9d0b5}form{display:flex;flex-direction:column;gap:17px}label{display:flex;flex-direction:column;gap:7px;font-weight:600}input:not([type=file]),textarea,select{width:100%;border:1px solid #cad7cc;border-radius:9px;background:white;padding:10px 12px;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--green)}textarea{resize:vertical}input[type=file]{display:block;margin:14px 0}.challenge{min-height:65px}.list{display:grid;gap:12px}.list-item{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap}.list-item h3{margin:0 0 4px}.list-item p{margin:0;color:var(--muted)}.actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.badge{padding:4px 9px;border-radius:20px;background:var(--pale);color:var(--green);font-size:12px}.back{border:0;background:transparent;margin:0 0 22px;padding:8px 0}.article-body{white-space:pre-wrap;line-height:1.9;font-size:16px}.article-top h1{font-size:clamp(30px,4vw,48px);line-height:1.25;margin:12px 0}.article-top p{font-size:18px;color:#50685a}.attachments{margin-top:30px;border-top:1px solid var(--line);padding-top:22px}.images{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.images img{max-width:100%;max-height:400px;border-radius:10px;object-fit:contain;background:#f0f2ef}#notice:not(:empty){background:#e7f3e9;border:1px solid #b8d9c3;color:#1f583b;border-radius:9px;padding:10px 14px;margin:0 0 18px}footer{border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:12px;padding:22px}.review-note{width:240px!important}.muted{color:var(--muted)}@media(max-width:700px){header{gap:10px}nav{order:3;width:100%;overflow:auto;flex-wrap:nowrap}main{padding:18px 16px 60px}.hero{min-height:300px;padding:35px 24px}.panel,.card,.list-item{padding:18px}.section-head{margin-top:30px}}