/* K-BOOKS · Study Material Sheet v1 */
#bo_v_con .kb-study-sheet{max-width:900px;margin:0 auto;color:#29454e;font-family:'Noto Sans KR','Malgun Gothic',sans-serif}
#bo_v_con .kb-study-sheet *{box-sizing:border-box}
#bo_v_con .kb-study-lead{margin:0 0 28px;padding:22px 24px;border-left:4px solid #0b8583;background:#f5f8f8;color:#405d66;font-size:15px;line-height:1.85}
#bo_v_con .kb-study-sheet section{margin:30px 0}
#bo_v_con .kb-study-sheet h2{margin:0 0 13px;color:#173849;font-size:20px;line-height:1.45;letter-spacing:-.03em}
#bo_v_con .kb-study-sheet ul{margin:0;padding:0;list-style:none}
#bo_v_con .kb-study-sheet li{position:relative;margin:0;padding:9px 0 9px 18px;border-bottom:1px solid #e2e8e8;font-size:14px;line-height:1.75}
#bo_v_con .kb-study-sheet li:before{content:'•';position:absolute;left:3px;top:9px;color:#0b8583;font-weight:900}
#bo_v_con .kb-study-sheet code{padding:2px 5px;background:#edf2f2;color:#173849;border-radius:2px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
#bo_v_con .kb-study-formula{margin:22px 0;padding:18px 20px;background:#173849;color:#fff}
#bo_v_con .kb-study-formula b{display:block;margin-bottom:6px;color:#71ddd7;font-size:10px;letter-spacing:.1em}
#bo_v_con .kb-study-formula span{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;line-height:1.7}
#bo_v_con .kb-study-table-wrap{margin:24px 0;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
#bo_v_con .kb-study-table{width:100%;min-width:560px;border-collapse:collapse}
#bo_v_con .kb-study-table th,#bo_v_con .kb-study-table td{padding:11px 12px;border-bottom:1px solid #dbe4e5;text-align:left;vertical-align:top;font-size:13px;line-height:1.6}
#bo_v_con .kb-study-table th{background:#f5f8f8;color:#173849;font-weight:800}
#bo_v_con .kb-study-memory,#bo_v_con .kb-study-caution{display:grid;grid-template-columns:100px minmax(0,1fr);gap:14px;margin:24px 0;padding:17px 18px}
#bo_v_con .kb-study-memory{border-left:4px solid #927238;background:#fffaf0}
#bo_v_con .kb-study-caution{border-left:4px solid #0b8583;background:#eef7f6}
#bo_v_con .kb-study-memory b,#bo_v_con .kb-study-caution b{color:#173849;font-size:11px}
#bo_v_con .kb-study-memory span,#bo_v_con .kb-study-caution span{font-size:13px;line-height:1.7}
#bo_v_con .kb-study-source{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:34px;padding-top:16px;border-top:1px solid #dbe4e5;color:#7a8a8f;font-size:10px}
#bo_v_con .kb-study-source a{flex:none;color:#0b8583;font-weight:900;text-decoration:none}
@media(max-width:620px){
  #bo_v_con .kb-study-lead{padding:18px 16px;font-size:14px}
  #bo_v_con .kb-study-sheet h2{font-size:18px}
  #bo_v_con .kb-study-sheet li{font-size:13px}
  #bo_v_con .kb-study-memory,#bo_v_con .kb-study-caution{grid-template-columns:1fr;gap:5px;padding:15px}
  #bo_v_con .kb-study-source{align-items:flex-start;flex-direction:column;gap:8px}
}