.guide-hero{background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff;padding:96px 0 56px}.guide-hero .container{max-width:980px}.guide-hero h1{font-size:clamp(30px,5vw,48px);line-height:1.12;margin:0 0 14px}.guide-hero p{max-width:760px;color:rgba(255,255,255,.78);font-size:17px;line-height:1.65;margin:0}.guide-meta{margin-top:18px;color:rgba(255,255,255,.6);font-size:13px}.guide-main{padding:52px 0 72px;background:#fff}.guide-main .container{max-width:980px}.guide-index-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.guide-card{display:block;border:1px solid #dfe6f1;border-radius:12px;padding:24px;text-decoration:none;color:#172033;background:#fff;transition:border-color .2s,box-shadow .2s}.guide-card:hover{border-color:#1e40af;box-shadow:0 10px 26px rgba(30,64,175,.1)}.guide-card .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#1e40af;font-weight:700}.guide-card h2{font-size:20px;line-height:1.35;margin:10px 0}.guide-card p{font-size:14px;line-height:1.7;color:#526175;margin:0}.guide-card .read{display:inline-block;margin-top:16px;color:#1e40af;font-weight:700;font-size:14px}.guide-article{max-width:780px;margin:0 auto}.guide-article .answer-box{padding:20px 22px;border-left:4px solid #1e40af;background:#f2f6ff;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;color:#24334a;margin:0 0 34px}.guide-article h2{font-size:26px;line-height:1.3;color:#13213a;margin:42px 0 14px}.guide-article h3{font-size:19px;line-height:1.4;color:#1e3a8a;margin:28px 0 10px}.guide-article p,.guide-article li{font-size:16px;line-height:1.82;color:#3f4d60}.guide-article ul,.guide-article ol{padding-left:24px}.guide-article li{margin:8px 0}.guide-article table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}.guide-article th,.guide-article td{border:1px solid #dce4ef;padding:11px 12px;text-align:left;vertical-align:top}.guide-article th{background:#f2f6ff;color:#1e3a8a}.guide-note{background:#fff8e6;border:1px solid #f4d78a;border-radius:9px;padding:16px 18px;margin:24px 0;color:#6f5314;font-size:14px;line-height:1.7}.guide-example{background:#f7f9fc;border:1px solid #e1e7f0;border-radius:9px;padding:18px 20px;margin:22px 0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-line;font-size:14px;line-height:1.7;color:#263449}.guide-article a{color:#1a5ca8}.guide-related{border-top:1px solid #e2e8f0;margin-top:48px;padding-top:28px}.guide-related a{display:block;margin:9px 0}.guide-breadcrumb{background:#f5f8ff;border-bottom:1px solid #e5eaf3;padding:10px 0}.guide-breadcrumb .container{max-width:980px;font-size:13px;color:#67758a}.guide-breadcrumb a{color:#1a5ca8;text-decoration:none}@media(max-width:700px){.guide-hero{padding:82px 0 42px}.guide-main{padding:36px 0 56px}.guide-article table{display:block;overflow-x:auto}.guide-article h2{font-size:23px}}