*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f1f3f7;color:#192d45;font:16px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:#2758b6;text-underline-offset:4px}a:hover{color:#174184}a:focus-visible{outline:3px solid #d7753c;outline-offset:5px}h1,h2,h3,p{margin:0 0 20px}h1{font-size:38px;line-height:1.35;letter-spacing:-.6px;font-weight:700}h2{font-size:26px;line-height:1.45}h3{font-size:20px;line-height:1.5}.ed-shell{max-width:1600px;min-height:100vh;margin:auto;display:grid;grid-template-columns:210px minmax(0,1fr)}.ed-sidebar{background:#142941;color:#d4deea;padding:35px 22px;position:relative}.ed-brand{color:#fff;text-decoration:none;display:block;font-size:38px;font-weight:750;letter-spacing:-1px}.ed-brand span{display:block;font-size:13px;font-weight:400;letter-spacing:2px;margin-top:1px}.ed-side-label{font-size:11px;color:#91a7c2;margin-top:50px;letter-spacing:2px}.ed-sidebar nav{display:grid;gap:7px}.ed-sidebar nav a,.ed-sidebar nav>span{display:block;padding:12px 14px;font-size:14px;color:#d9e2ef;text-decoration:none;border-radius:5px}.ed-sidebar nav>span{background:#2c4e78;color:white}.ed-sidebar nav a:hover{background:#213e60}.ed-side-note{font-size:11px;color:#9db0c8;border-top:1px solid #3a4d65;margin-top:45px;padding-top:20px}.ed-workspace{min-width:0}.ed-top{display:flex;justify-content:space-between;gap:15px;padding:22px 38px;background:#fff;border-bottom:1px solid #e0e5ec;font-size:12px;color:#718095}.ed-main{padding:38px;max-width:1250px}.ed-opening{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;align-items:center;background:#fff;border:1px solid #e0e5ec;padding:30px;border-radius:10px}.ed-opening p{font-size:14px;color:#657389}.ed-opening .ed-lead{font-size:24px;color:#253c58;line-height:1.5}.ed-primary{display:inline-block;background:#285cc2;color:white;text-decoration:none;padding:11px 22px;border-radius:5px;font-size:14px}.ed-primary:hover{background:#19489f;color:white}.ed-opening .ed-small{margin:15px 0 0;font-size:11px}.ed-opening figure{margin:0}.ed-opening img{width:100%;height:285px;object-fit:cover;display:block;border-radius:6px}.ed-opening figcaption{font-size:10px;color:#7a8796;margin-top:9px}.ed-task-area{margin:38px 0}.ed-kicker{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:#738397;margin-bottom:8px}.ed-tasks{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ed-tasks>a{background:#fff;border:1px solid #dbe3ee;border-radius:7px;padding:24px;text-decoration:none;color:inherit}.ed-task-tag{display:inline-block;font-size:11px;background:#edf2fd;color:#285cc2;padding:2px 9px;margin-bottom:13px;border-radius:3px}.ed-tasks h3{margin-bottom:10px}.ed-tasks p{font-size:14px;color:#6b7b8d;margin-bottom:15px}.ed-task-next{font-size:12px;color:#285cc2}.ed-facts{background:#fff;display:grid;grid-template-columns:1fr 1.15fr;gap:35px;padding:30px;border:1px solid #e0e5ec;border-radius:8px}.ed-facts p{font-size:14px;color:#65758a}.ed-facts dl{margin:0}.ed-facts dl>div{border-bottom:1px solid #e4e9f0;padding:14px 0;display:grid;grid-template-columns:130px 1fr;gap:10px}.ed-facts dl>div:first-child{padding-top:0}.ed-facts dt{font-size:12px;color:#697b8e}.ed-facts dd{margin:0}.ed-facts code{font-size:13px;color:#243e62}.ed-facts dd span{display:block;font-size:11px;color:#728297;margin-top:4px}.ed-reading{margin:40px 0}.ed-home-guides,.ed-index-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ed-guide{display:block;padding:24px;background:#fff;border-radius:7px;border:1px solid #e0e5ec;text-decoration:none;color:inherit}.ed-guide>span{font-size:11px;color:#285cc2}.ed-guide h3{margin:12px 0}.ed-guide p{font-size:14px;color:#687b90;margin:0}.ed-bottom-note{background:#e5ebf4;border-radius:7px;padding:27px 30px}.ed-bottom-note h2{font-size:20px}.ed-bottom-note p{font-size:14px;max-width:820px}.ed-bottom-note a{font-size:13px}.ed-evidence{font-size:12px;color:#66788d;border-top:1px solid #d6e0ea;margin-top:35px;padding-top:23px}.ed-evidence h2{font-size:14px;margin-bottom:10px}.ed-evidence p{max-width:900px;margin:0}.ed-footer{margin:10px 38px 0;padding:30px 0;border-top:1px solid #d6e0ea;display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}.ed-footer strong{font-size:16px}.ed-footer p,.ed-footer a,.ed-footer small{font-size:11px;color:#6f7e90}.ed-footer nav{display:flex;gap:20px}.ed-footer small{width:100%}.ed-crumb{font-size:12px;color:#7c8a9a;margin-bottom:26px}.ed-lead{font-size:21px;color:#536b84}.ed-main>section:not(.ed-opening):not(.ed-task-area):not(.ed-facts):not(.ed-reading):not(.ed-bottom-note){max-width:900px;margin-top:35px}.ed-main>section>h2:not(:first-child){margin-top:34px}.ed-main:not(:has(.ed-opening)){max-width:1050px}.ed-main:not(:has(.ed-opening))>section:not(.ed-result){padding:28px;background:white;border:1px solid #e0e5ec;border-radius:7px}.ed-result{border-left:4px solid #285cc2;background:#e7eefb;padding:23px 26px;margin:25px 0}.ed-result p{margin:8px 0 0;font-size:15px}.ed-checks{padding-left:20px}.ed-checks li{padding:10px 0}.ed-article{max-width:1080px!important}.ed-article h1{font-size:36px}.ed-article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;color:#7c8a9a;margin:20px 0 28px}.ed-prose{display:grid;grid-template-columns:190px minmax(0,1fr);gap:25px 35px;align-items:start}.ed-prose>.ed-lead{grid-column:1/-1;max-width:850px;margin-bottom:0}.ed-prose>.ed-result{grid-column:1;margin:0;position:sticky;top:25px;font-size:14px;padding:20px}.ed-prose>section{grid-column:2;background:#fff;border:1px solid #e0e5ec;border-radius:7px;padding:26px}.ed-prose>section:nth-of-type(1){grid-row:2}.ed-prose h2{font-size:23px}.ed-prose p{font-size:16px;line-height:2}.ed-inline-facts{display:flex;gap:35px;margin:20px 0;padding:17px;background:#edf1f7}.ed-inline-facts dt{font-size:12px;color:#6b7e93}.ed-inline-facts dd{margin:3px 0 0;font:13px/1.7 monospace}.ed-skip{position:absolute;top:-100px;left:20px;background:white;padding:10px;z-index:9}.ed-skip:focus{top:10px}@media(max-width:1000px){.ed-shell{grid-template-columns:180px minmax(0,1fr)}.ed-sidebar{padding-inline:17px}.ed-main{padding:30px 25px}.ed-opening{padding:25px;gap:25px;grid-template-columns:1fr}.ed-opening img{height:230px}.ed-facts{grid-template-columns:1fr}.ed-prose{grid-template-columns:150px minmax(0,1fr);gap:20px}.ed-prose>section{padding:20px}.ed-footer{margin-inline:25px}}@media(max-width:650px){body{font-size:15px}.ed-shell{display:block}.ed-sidebar{padding:20px 20px 15px}.ed-brand{font-size:27px;display:flex;align-items:baseline;gap:14px}.ed-brand span{font-size:12px;letter-spacing:1px}.ed-side-label,.ed-side-note{display:none}.ed-sidebar nav{display:flex;gap:5px;flex-wrap:wrap;margin-top:15px}.ed-sidebar nav a,.ed-sidebar nav>span{padding:6px 9px;font-size:11px}.ed-top{padding:13px 22px;font-size:10px}.ed-top span+span{display:none}.ed-main{padding:25px 20px}h1{font-size:29px;margin-bottom:22px;line-height:1.4}.ed-opening{padding:22px;gap:22px}.ed-opening .ed-lead{font-size:21px}.ed-opening p{font-size:14px}.ed-primary{width:100%;text-align:center}.ed-opening img{height:185px}.ed-opening figcaption{font-size:9px}.ed-task-area{margin:30px 0}.ed-tasks,.ed-home-guides,.ed-index-list{grid-template-columns:1fr;gap:14px}h2{font-size:23px}.ed-tasks>a,.ed-guide{padding:22px}.ed-facts{padding:22px;gap:20px}.ed-facts dl>div{grid-template-columns:1fr;gap:6px}.ed-facts dd span{font-size:12px}.ed-bottom-note{padding:23px}.ed-footer{margin-inline:20px;display:block}.ed-footer nav{margin:22px 0;gap:22px}.ed-footer small{display:block}.ed-lead{font-size:19px}.ed-main:not(:has(.ed-opening))>section:not(.ed-result){padding:22px}.ed-article h1{font-size:29px}.ed-prose{display:block}.ed-prose>.ed-result{position:static;margin:25px 0}.ed-prose>section{margin-top:20px;padding:22px}.ed-prose h2{font-size:22px}.ed-prose p{font-size:15px}.ed-inline-facts{display:block}.ed-inline-facts>div+div{margin-top:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.ed-prose p a{display:inline-block;max-width:100%;vertical-align:baseline;margin-block:3px}.ed-crumb{display:flex;gap:8px;align-items:center}