:root{--ink:#1e302b;--green:#3c604c;--muted:#66736b;--line:#dce1d9;--paper:#f5f6f2}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit}
button{font:inherit}
main{max-width:1168px;margin:auto;padding:54px 0 0}.breadcrumb{margin:0 0 16px;font-size:12px;color:var(--muted)}
h1{margin:0;font-size:40px;font-weight:700;line-height:1.4;letter-spacing:-.035em}.description{margin:18px 0 24px;font-size:15px;color:var(--muted);line-height:1.9}
.scene-switch{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.scene-switch button{min-height:40px;padding:7px 14px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--muted);font-size:13px;cursor:pointer}
.scene-switch button[aria-pressed=true]{border-color:var(--green);background:#eaf0e7;color:var(--green)}
.task{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:26px 0 30px;border-top:1px solid var(--line)}
.task h2{margin:0 0 10px;font-size:22px;font-weight:600}.task p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.task .scope{margin-top:10px;font-size:12px}
.open-record{display:inline-flex;align-items:center;justify-content:center;flex:none;min-height:44px;padding:10px 18px;border-radius:4px;background:var(--ink);color:#fff;font-size:13px;text-decoration:none}
.shared-process{padding:26px 0;border-top:1px solid var(--line);color:var(--muted)}.shared-process>p{margin:0 0 14px;font-size:12px}.shared-process ol{display:flex;flex-wrap:wrap;gap:30px;margin:0;padding:0;list-style:none;font-size:13px}.shared-process li+li:before{content:"›";margin-right:30px;color:#9aa39a}
details{margin-top:22px;font-size:12px}summary{display:inline-flex;align-items:center;min-height:44px;cursor:pointer;list-style:none}summary:after{content:"";width:6px;height:6px;margin-left:10px;margin-top:-3px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg)}details[open] summary:after{transform:rotate(225deg);margin-top:3px}details p{max-width:720px;margin:2px 0 10px;line-height:1.9}
footer{max-width:1168px;margin:16px auto 0;padding:20px 0 26px;border-top:1px solid var(--line);font-size:11px;color:#7c867d}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--green);outline-offset:4px}
.zones button:hover,.scene-switch button:hover{color:var(--green)}
 .area-index{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin:0 0 28px}.area-index a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;padding:12px 0;border-top:1px solid var(--line);text-decoration:none}.area-index strong{font-size:15px;font-weight:600}.area-index span{font-size:12px;color:var(--muted)}
@media(max-width:1216px){main,footer{margin-left:24px;margin-right:24px}}
@media(max-width:700px){main{margin:0 20px;padding-top:32px}h1{font-size:32px}.description{font-size:14px}.task{align-items:flex-start;flex-direction:column;gap:18px}.task h2{font-size:20px}.shared-process ol{gap:16px}.shared-process li+li:before{margin-right:16px}footer{margin:12px 20px 0}.area-index{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}