:root{color-scheme:light;--ink:#171717;--muted:#626262;--line:#e7e7e7;--wash:#f7f7f7;font-family:Inter,-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.75}a{color:inherit;text-underline-offset:4px;text-decoration-color:#b8b8b8}a:hover{text-decoration-color:currentColor}a,button,input,textarea,select{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #171717;outline-offset:4px}button,input,textarea,select{font:inherit}button{cursor:pointer}img{max-width:100%}[hidden]{display:none!important}.skip-link{position:absolute;left:20px;top:-100px;background:#fff;padding:8px 16px;z-index:5}.skip-link:focus{top:8px}
.guide-header{border-bottom:1px solid var(--line)}.guide-header-inner{max-width:1120px;padding:20px 32px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.guide-brand{font-size:22px;font-weight:750;letter-spacing:-.8px;text-decoration:none;display:inline-flex;gap:9px;align-items:center}.guide-brand img{width:26px;height:26px}.guide-header nav{display:flex;gap:20px;align-items:center;font-size:13px}.guide-header a{white-space:nowrap}.guide-main{max-width:1120px;margin:0 auto;padding:58px 32px 80px}.guide-intro{max-width:780px;margin-bottom:30px}.guide-intro h1{font-size:clamp(30px,4vw,44px);font-weight:600;line-height:1.3;letter-spacing:-1.5px;margin:8px 0 16px}.guide-intro p{color:var(--muted);margin:12px 0}.eyebrow{font-size:11px;letter-spacing:1.4px;color:#777;text-transform:uppercase}.guide-intro .eyebrow{color:#777}.guide-steps{padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:steps;list-style:none;margin:32px 0}.guide-steps li{border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:14px;counter-increment:steps}.guide-steps li::before{content:"0" counter(steps);display:block;font-size:12px;color:#888;margin-bottom:8px}.guide-steps strong{color:var(--ink)}h2{font-size:23px;font-weight:600;line-height:1.5;letter-spacing:-.6px;margin:0 0 12px}h3{font-size:17px;line-height:1.5;font-weight:600;margin:0 0 8px}.prompt-panel{background:var(--wash);border:1px solid var(--line);border-radius:12px;padding:26px;margin:32px 0}.prompt-panel h2{font-size:20px}.prompt-panel p{color:var(--muted);font-size:14px}.prompt-panel label{display:block;margin-bottom:10px;font-size:14px}.prompt-panel textarea{display:block;width:100%;min-height:200px;background:#fff;border:1px solid #d7d7d7;border-radius:8px;padding:16px;resize:vertical;color:var(--ink);font-size:14px;line-height:1.8}.prompt-panel button,.guide-main button{border:1px solid #171717;border-radius:7px;padding:10px 18px;background:#171717;color:#fff;min-height:44px}.prompt-panel button{margin-top:16px}.prompt-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}#copy-status{font-size:13px;color:var(--muted)}
.guide-links{display:flex;gap:12px 22px;align-items:center;flex-wrap:wrap;font-size:13px;margin:18px 0}.guide-note{font-size:13px;color:var(--muted);border-left:2px solid #d5d5d5;padding:4px 0 4px 16px;margin:24px 0;overflow-wrap:anywhere}.guide-note p{margin:4px 0}.guide-main form{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin:26px 0}.guide-main form label{font-size:13px;display:flex;flex-direction:column;gap:6px;flex:1;min-width:min(240px,100%)}.guide-main input:not([type=hidden]),.guide-main select{min-height:44px;max-width:100%;padding:10px 12px;border:1px solid #d7d7d7;background:#fff;color:var(--ink);border-radius:7px}.guide-main form button{flex-shrink:0}.category-links{display:flex;gap:10px 20px;flex-wrap:wrap;font-size:13px;padding:22px 0;border-bottom:1px solid var(--line);margin-bottom:30px}.source-section{margin:40px 0;scroll-margin-top:24px}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:36px}.source-card{padding:22px 0;border-top:1px solid var(--line);min-width:0}.source-card h3 a{text-decoration:none}.source-card h3 a:hover{text-decoration:underline}.source-card p{font-size:14px;color:var(--muted);margin:8px 0}.source-card .guide-links{margin:10px 0 0}.source-tags,.source-meta{font-size:12px!important;color:#737373!important}.source-card ul{padding-left:20px;font-size:13px;color:var(--muted)}.offer-list{padding-left:22px;font-size:14px}.offer-list>li{margin:20px 0}.offer-list ul{padding-left:20px;color:var(--muted);font-size:13px}.case-list{list-style:none;margin:24px 0;padding:0}.case-list>li,.case-list>article{padding:18px 0;border-top:1px solid var(--line);overflow-wrap:anywhere}.case-list h2,.case-list h3{font-size:17px;letter-spacing:-.15px;margin:0 0 6px}.case-list p{margin:6px 0;font-size:13px;color:var(--muted)}.case-list .guide-links{margin:8px 0}.case-list small{color:var(--muted);font-size:12px}.case-list dl{font-size:13px;margin:8px 0}.case-list dt{font-weight:500}.case-list dd{margin-left:0;color:var(--muted)}.case-kind,.tag{font-size:12px;color:var(--muted)}.pagination{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);font-size:14px}.guide-footer{padding-top:28px;color:var(--muted);font-size:12px}code{font-size:12px;background:var(--wash);padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}pre{white-space:pre-wrap;overflow-wrap:anywhere}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.guide-brand span{font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}.guide-actions{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px 18px}.guide-steps{display:block}.guide-steps ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:steps;padding:0;list-style:none}.guide-main .guide-search{display:block}.guide-main .guide-search label{margin-bottom:8px}.guide-search-controls{display:flex;align-items:center;gap:10px;max-width:680px}.guide-search-controls input{flex:1;min-width:0}.tag-list{display:flex;gap:6px 14px;flex-wrap:wrap;list-style:none;padding:0;font-size:12px;color:var(--muted);margin:10px 0}.source-section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.source-section-heading>span{font-size:12px;color:var(--muted)}body>.guide-footer{max-width:1120px;margin:auto;padding:0 32px 32px;border-top:1px solid var(--line)}.guide-back{font-size:13px}.pagination-current{color:var(--muted)}
@media(max-width:640px){.guide-header-inner{padding:16px 20px;align-items:flex-start;flex-wrap:wrap;gap:10px}.guide-header nav{gap:16px;font-size:12px}.guide-main{padding:34px 20px 56px}.guide-intro h1{letter-spacing:-1px}.guide-steps{margin:24px 0}.guide-steps ol{grid-template-columns:1fr;gap:12px}.guide-steps li{padding-top:10px}.guide-steps li::before{display:inline;margin-right:12px}.prompt-panel{padding:18px;margin:24px 0}.prompt-panel textarea{font-size:16px;min-height:260px;padding:12px}.source-grid{grid-template-columns:1fr}.source-section{margin-top:30px}.source-card{padding:18px 0}.guide-main form{align-items:stretch}.guide-main form label{flex-basis:100%}.guide-main form button{width:100%}.guide-search-controls button{width:auto!important}.guide-links{gap:10px 18px}.pagination a{padding:6px 0}body>.guide-footer{padding:0 20px 24px}}