.guide-head{padding:32px 2px 18px}.guide-head>span{color:#2278e5;font-size:12px;font-weight:800}.guide-head h1{font-size:clamp(28px,5vw,38px);margin:4px 0 7px}.guide-head p{color:#78889a;margin:0}.number-lookup,.guide-tools,.guide-group,.source-note{background:#fff;border:1px solid #e5eaf0;border-radius:16px;box-shadow:0 3px 18px #20364d0b}.number-lookup{display:grid;grid-template-columns:170px 1fr;gap:16px;padding:16px;margin-bottom:11px}.number-lookup label{display:block;color:#78889a;font-size:12px;margin-bottom:6px}.number-lookup select,.guide-tools input{width:100%;height:44px;border:1px solid #dfe5eb;border-radius:10px;background:#f8fafb;padding:0 11px;color:#172536;font-size:15px}.number-profile{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}.profile-item{background:#f5f8fa;border-radius:10px;padding:8px}.profile-item b{display:block;font-size:13px}.profile-item span{display:block;color:#78889a;font-size:10px;margin-top:3px}.profile-number{display:grid;place-items:center;color:#fff!important;background:#2278e5!important;font-size:20px!important}.guide-tools{display:flex;align-items:center;gap:12px;padding:12px;margin-bottom:10px}.guide-tools span{color:#78889a;font-size:12px;white-space:nowrap}.category-nav{display:flex;gap:7px;overflow:auto;padding:2px 0 12px}.category-nav button{white-space:nowrap;border:1px solid #e1e7ed;background:#fff;color:#526376;border-radius:999px;padding:8px 11px}.category-nav button.active{background:#112b46;color:#fff;border-color:#112b46}.group-list{display:grid;gap:10px}.guide-group{padding:16px;scroll-margin-top:75px}.guide-group h2{font-size:18px;margin:0 0 3px}.guide-group>p{color:#78889a;font-size:12px;margin:0 0 12px}.class-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.class-row{display:grid;grid-template-columns:72px 1fr;gap:8px;align-items:start;background:#f7f9fb;border-radius:11px;padding:10px}.class-row strong{font-size:13px;color:#172536}.number-chips{display:flex;flex-wrap:wrap;gap:4px}.number-chips i{font-style:normal;display:inline-grid;place-items:center;min-width:27px;height:25px;padding:0 3px;border-radius:7px;background:#fff;color:#405468;font-size:11px;border:1px solid #e5eaf0}.source-note{margin:13px 0 30px;padding:15px;border-left:3px solid #eba83c;background:#fff8e9}.source-note p{margin:5px 0 0;color:#76591e;font-size:12px;line-height:1.7}@media(max-width:760px){.number-lookup{grid-template-columns:1fr}.number-profile{grid-template-columns:repeat(3,1fr)}.class-grid{grid-template-columns:1fr}}@media(max-width:460px){.guide-head{padding-top:24px}.number-lookup,.guide-group{padding:13px}.number-profile{grid-template-columns:repeat(2,1fr)}.guide-tools{align-items:stretch;display:block}.guide-tools span{display:block;margin-top:6px}.class-row{grid-template-columns:64px 1fr;padding:9px}}