*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Microsoft YaHei',PingFang SC,sans-serif;color:#3a2c20;background:#f8f3ea;line-height:1.8}a{color:#7a4a1a}.ys3-wrap{max-width:1080px;margin:0 auto;padding:0 20px}.ys3-head{background:#fff;border-bottom:3px solid #7a4a1a}.ys3-head .ys3-wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:14px 20px}.ys3-brand{font-size:21px;font-weight:800;color:#7a4a1a;text-decoration:none}.ys3-nav{display:flex;flex-wrap:wrap;gap:14px}.ys3-nav a{color:#5c4632;text-decoration:none;font-size:15px}.ys3-nav a:hover{color:#7a4a1a}.ys3-main{padding:24px 20px 40px;min-height:60vh}.ys3-crumb{margin-bottom:12px;color:#8a755d;font-size:14px}.ys3-crumb a{color:#8a755d;text-decoration:none}.ys3-crumb span{padding:0 6px}.ys3-hero{background:linear-gradient(135deg,#5c3412,#7a4a1a);border-radius:14px;padding:32px 30px;margin-bottom:20px;color:#fdf4e3}.ys3-hero h1{font-size:28px;color:#fff;margin-bottom:12px}.ys3-lead{font-size:16px;color:#f3e0c5;max-width:840px}.ys3-ent{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.ys3-ent a{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:16px 18px;text-decoration:none;color:#fdf4e3;transition:background .2s}.ys3-ent a:hover{background:rgba(255,255,255,.2)}.ys3-ent h3{color:#ffd9a0;font-size:17px;margin-bottom:6px}.ys3-ent p{font-size:13px;color:#f3e0c5}.ys3-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}.ys3-step{background:#fff;border:1px solid #e5d2b3;border-top:3px solid #7a4a1a;border-radius:12px;padding:16px 14px}.ys3-step strong{color:#7a4a1a;display:block;margin-bottom:6px;font-size:15px}.ys3-step p{font-size:13px;color:#5c4632}.ys3-block{background:#fff;border:1px solid #e5d2b3;border-radius:12px;padding:22px 24px;margin-bottom:18px}.ys3-block h2{color:#7a4a1a;font-size:21px;margin-bottom:10px;border-left:5px solid #7a4a1a;padding-left:10px}.ys3-block h3{color:#6b4a26;font-size:16px;margin:12px 0 6px}.ys3-block p{margin-bottom:8px}.ys3-block p:last-child{margin-bottom:0}.ys3-list{padding-left:22px}.ys3-list li{margin-bottom:6px}.ys3-rev{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.ys3-rev div{background:#fdf7ec;border:1px dashed #d9c19a;border-radius:12px;padding:16px}.ys3-rev p{font-style:italic}.ys3-rev span{display:block;margin-top:6px;font-size:13px;color:#8a755d}.ys3-fig{max-width:100%;border-radius:10px}.ys3-fig img{max-width:100%;height:auto;border-radius:10px;border:1px solid #e5d2b3}.ys3-fig figcaption{font-size:13px;color:#8a755d;margin-top:6px}.ys3-slim{padding:26px 28px}.ys3-geo{background:#fdf7ec;border-left:5px solid #7a4a1a;padding:12px 16px;border-radius:8px}.ys3-tip{font-size:14px;color:#8a755d;margin:0 4px 16px}.ys3-rel{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:6px}.ys3-rel a{display:block;border:1px solid #e5d2b3;border-radius:10px;padding:14px 16px;text-decoration:none;color:#3a2c20}.ys3-rel a:hover{border-color:#7a4a1a}.ys3-rel h3{color:#7a4a1a;font-size:16px;margin:0 0 6px}.ys3-rel p{font-size:13px;color:#5c4632;margin:0}.ys3-foot{background:#2e1d0f;color:#d8c6ac;margin-top:32px}.ys3-foot .ys3-wrap{padding:26px 20px 14px}.ys3-foot-cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px;margin-bottom:16px}.ys3-foot h4{color:#e8c88a;margin-bottom:8px;font-size:15px}.ys3-foot a{color:#c9b18e;text-decoration:none;display:block;margin-bottom:4px;font-size:14px}.ys3-foot a:hover{color:#e8c88a}.ys3-foot p{font-size:13px;line-height:1.7}.ys3-foot-bar{border-top:1px solid #4a3320;padding-top:10px;font-size:12px;color:#9c8464}.ys3-quote{margin:10px 0}.ys3-q{font-size:17px;color:#6b4a26;margin:12px 0 6px}@media(max-width:900px){.ys3-steps{grid-template-columns:repeat(2,1fr)}.ys3-ent,.ys3-rev,.ys3-rel,.ys3-foot-cols{grid-template-columns:1fr}}