*{box-sizing:border-box}body{margin:0;background:#f3f4e9;color:#273328;font:16px/1.85 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-underline-offset:5px}a:hover{color:#65763f}a:focus-visible,summary:focus-visible{outline:3px solid #6b7949;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35}p{margin-bottom:20px}.wd-header,.wd-footer,main{max-width:1180px;margin:auto;padding-left:38px;padding-right:38px}.wd-header{padding-top:24px;padding-bottom:24px;display:flex;align-items:center;justify-content:space-between}.wd-brand{font-weight:bold;font-size:25px;text-decoration:none}.wd-brand small{font-size:13px;font-weight:normal;margin-left:10px}nav{display:flex;align-items:center;gap:25px;font-size:14px}nav a{padding:10px 0}.wd-skip{position:absolute;top:-80px}.wd-skip:focus{top:0;background:white;z-index:10}.wd-opening{background:#e2e7c8;border-top:7px solid #354c38;padding:44px 50px 28px;margin-top:10px}.wd-label{font-size:12px;letter-spacing:.12em;font-weight:bold;color:#50613b}.wd-opening h1{font-size:48px;font-weight:600;letter-spacing:-.025em;margin:20px 0}.wd-intro{max-width:720px;font-size:20px}.wd-button{display:inline-block;background:#354c38;color:#fff;padding:12px 24px;text-decoration:none;margin:2px 0 25px}.wd-boundary{font-size:14px;max-width:790px;margin-bottom:0}.wd-worksheet{background:#fff;padding:36px;display:grid;grid-template-columns:1fr 1.5fr;gap:50px;margin:28px 0 44px;border:1px solid #d3d9c0}.wd-caption h2{font-size:25px}.wd-caption p{font-size:14px;color:#606c58}.wd-worksheet dl{margin:0}.wd-worksheet dl>div{border-bottom:1px solid #dce1d3;padding:14px 0;display:grid;grid-template-columns:120px 1fr;gap:20px}.wd-worksheet dl>div:first-child{padding-top:0}.wd-worksheet dt{font-weight:bold}.wd-worksheet dd{margin:0}.wd-decisions h2{font-size:28px}.wd-columns{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin:25px 0 40px}.wd-columns article{border-left:3px solid #9aab6f;padding-left:24px}.wd-columns h3{font-size:21px}.wd-warning{padding:28px 32px;background:#354c38;color:#f7f8ec;margin:30px 0 45px}.wd-warning h2{font-size:25px}.wd-warning p{margin:0;max-width:850px}.wd-questions{max-width:900px}.wd-questions details{border-bottom:1px solid #cbd1bb;padding:16px 0}.wd-questions summary{cursor:pointer;font-size:18px;font-weight:bold;padding:8px 0}.wd-questions details p{margin:12px 0}.wd-guides{padding:35px 0 45px}.wd-guide-entry h2{font-size:25px}.wd-guide-entry>p:first-child{font-size:13px;color:#536841}.wd-footer{border-top:1px solid #cbd1bb;padding-top:25px;padding-bottom:30px;display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap}.wd-footer small{font-size:12px}.wd-reading{max-width:850px;padding-top:35px;padding-bottom:55px;min-height:65vh}.wd-document header{background:#e2e7c8;padding:30px;margin:20px -30px 32px}.wd-document h1,.wd-reading>h1{font-size:36px}.wd-document time{font-size:13px}.wd-body h2{font-size:25px;margin:36px 0 18px}.wd-body>p:first-child{padding-left:20px;border-left:3px solid #6b7949}.wd-body a{color:#435b30}@media(max-width:650px){.wd-header,.wd-footer,main{padding-left:20px;padding-right:20px}.wd-header{display:block;padding-top:18px;padding-bottom:14px}.wd-header nav{gap:18px;margin-top:10px;font-size:13px}.wd-opening{padding:26px 22px 23px;margin:5px -20px 0}.wd-opening h1{font-size:35px}.wd-intro{font-size:18px}.wd-worksheet{padding:23px;display:block;margin:22px 0 30px}.wd-worksheet dl>div{display:block;padding:16px 0}.wd-worksheet dd{margin-top:5px}.wd-worksheet dl>div:first-child{padding-top:16px}.wd-columns{display:block}.wd-columns article{margin-bottom:26px;padding-left:18px}.wd-decisions h2{font-size:25px}.wd-warning{padding:24px;margin:24px -20px 30px}.wd-warning h2{font-size:24px}.wd-questions h2{font-size:25px}.wd-questions summary{font-size:17px}.wd-guides{padding-bottom:30px}.wd-guide-entry h2{font-size:23px}.wd-footer{display:block}.wd-footer nav{margin-bottom:18px}.wd-reading{padding-top:20px}.wd-document header{margin:18px -20px 25px;padding:25px 20px}.wd-document h1,.wd-reading>h1{font-size:30px}.wd-body h2{font-size:23px}}