*{box-sizing:border-box;margin:0;padding:0;font-family:Pretendard,Arial,sans-serif}body{background:#f4f7fb;color:#101828}a{text-decoration:none;color:inherit}button,input{font:inherit}button{cursor:pointer}.header{min-height:76px;display:flex;align-items:center;background:#fff;border-bottom:1px solid #dbe3ee}.header-inner{width:94%;max-width:1500px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:52px}.brand h1{font-size:24px}.brand p{margin-top:3px;color:#667085;font-size:12px;font-weight:800}.nav{display:flex;gap:30px;font-weight:800}.nav .active{color:#175cd3}.home-button{padding:11px 18px;border:1px solid #cfd8e6;border-radius:8px;background:#fff;font-weight:800}.wrap{width:94%;max-width:1500px;margin:30px auto 60px}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;padding-bottom:24px}.eyebrow{margin-bottom:8px;color:#175cd3;font-size:13px;font-weight:900}.intro h2{font-size:36px}.intro>div>p:last-child{margin-top:9px;color:#667085}.intro aside{min-width:300px;padding:16px 18px;border-left:4px solid #175cd3;background:#eaf2ff}.intro aside span{display:block;margin-top:5px;color:#475467;font-size:14px}.view-tabs,.mode-tabs{display:grid;padding:4px;border:1px solid #d6dfeb;border-radius:8px;background:#eef2f7}.view-tabs{grid-template-columns:1fr 1fr;width:min(520px,100%);margin-bottom:16px}.mode-tabs{grid-template-columns:1fr 1fr}.view-tabs button,.mode-tabs button{padding:11px;border:0;border-radius:6px;background:transparent;color:#475467;font-weight:800}.view-tabs .active,.mode-tabs .active{background:#fff;color:#175cd3;box-shadow:0 1px 3px #1018281f}.search-tools{display:grid;grid-template-columns:210px 1fr;gap:12px;margin-bottom:16px}.search{display:flex;min-height:52px;overflow:hidden;border:1px solid #b8c7dc;border-radius:8px;background:#fff}.search:focus-within{border-color:#175cd3;box-shadow:0 0 0 3px #175cd31f}.search input{min-width:0;flex:1;padding:0 18px;border:0;outline:0}.search button{width:140px;border:0;background:#175cd3;color:#fff;font-weight:900}.subject-search{margin-bottom:16px}.content{display:grid;grid-template-columns:360px minmax(0,1fr);min-height:610px;border:1px solid #d6dfeb;background:#fff}.results{border-right:1px solid #d6dfeb}.title{display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 20px;border-bottom:1px solid #e4eaf2}.title h3{font-size:20px}.title span{color:#175cd3;font-size:14px;font-weight:900}.result-list{max-height:690px;overflow:auto;padding:10px}.result-item{display:block;width:100%;padding:15px 14px;border:1px solid transparent;border-radius:7px;background:transparent;text-align:left}.result-item+.result-item{margin-top:5px}.result-item:hover,.result-item.active{border-color:#9bbcff;background:#edf4ff}.result-item strong,.result-item small{display:block}.result-item small{margin-top:6px;color:#667085}.empty-copy{padding:36px 16px;color:#667085;text-align:center;line-height:1.6}.detail{min-width:0;padding:28px}.empty-state{display:grid;min-height:500px;place-content:center;text-align:center;color:#667085}.empty-state strong{color:#344054;font-size:18px}.empty-state p{margin-top:8px}.detail-head{padding-bottom:20px;border-bottom:1px solid #e4eaf2}.detail-head span{color:#175cd3;font-size:13px;font-weight:900}.detail-head h3{margin-top:6px;font-size:30px}.detail-head p{margin-top:8px;color:#667085;line-height:1.6}.related{margin-top:15px;color:#475467;font-size:14px}.subject-list{display:grid;gap:10px;margin-top:20px}.subject-row{display:grid;grid-template-columns:minmax(140px,.8fr) 110px 120px minmax(220px,1.7fr);gap:14px;align-items:center;padding:16px;border:1px solid #dce4ef;border-radius:8px}.subject-row h4{font-size:17px}.meta{margin-top:4px;color:#667085;font-size:12px}.level{display:inline-flex;width:max-content;padding:6px 9px;border-radius:6px;font-size:12px;font-weight:900}.core_recommended{color:#175cd3;background:#eaf2ff}.recommended{color:#7a5d00;background:#fff5cc}.helpful{color:#475467;background:#eef2f6}.required{color:#b42318;background:#fee4e2}.availability{color:#475467;font-size:13px;font-weight:700}.available{color:#067647}.reason{color:#344054;font-size:13px;line-height:1.55}.reason small{display:block;margin-top:5px;color:#667085}.reverse-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}.reverse-section{border:1px solid #dce4ef}.reverse-section h4{padding:15px 17px;border-bottom:1px solid #e4eaf2;background:#f8fafc}.reverse-list{padding:8px}.reverse-item{display:flex;justify-content:space-between;gap:12px;padding:12px 10px;border-bottom:1px solid #eef2f6}.reverse-item:last-child{border:0}.reverse-item small{color:#667085}.notice{display:flex;gap:18px;margin-top:16px;padding:17px 20px;border-left:4px solid #d97706;background:#fff9e8}.notice p{color:#594a2a;line-height:1.55}
@media(max-width:900px){.header-inner,.nav{flex-wrap:wrap}.header-inner{padding:12px 0}.nav{width:100%;display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.nav a{text-align:center;font-size:12px}.intro{align-items:stretch;flex-direction:column}.intro h2{font-size:30px}.intro aside{min-width:0}.search-tools,.content{grid-template-columns:1fr}.results{border-right:0;border-bottom:1px solid #d6dfeb}.result-list{max-height:270px}.content{min-height:0}.detail{padding:20px}.empty-state{min-height:300px}.subject-row{grid-template-columns:1fr 1fr}.reason{grid-column:1/-1}}
@media(max-width:560px){.wrap{width:calc(100% - 20px);margin-top:20px}.brand h1{font-size:20px}.brand img{width:44px}.search button{width:105px}.subject-row,.reverse-grid{grid-template-columns:1fr}.notice{flex-direction:column;gap:6px}}