/* K-BOOKS · related study materials v1 */
.kbrm{width:min(1180px,calc(100% - 40px));margin:34px auto 42px;padding:0;color:#29454e}
.kbrm *{box-sizing:border-box}
.kbrm a{text-decoration:none}
.kbrm-head{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:0 0 14px;border-bottom:2px solid #173849}
.kbrm-head small{display:block;color:#0b8583;font-size:9px;font-weight:900;letter-spacing:.12em}
.kbrm-head h2{margin:5px 0 0;color:#173849;font-size:22px;line-height:1.35;letter-spacing:-.035em}
.kbrm-head>a{flex:none;color:#0b8583;font-size:11px;font-weight:900}
.kbrm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-left:1px solid #dbe4e5}
.kbrm-card{position:relative;min-width:0;min-height:150px;padding:18px 18px 17px;border-right:1px solid #dbe4e5;border-bottom:1px solid #dbe4e5;background:#fff;color:#29454e}
.kbrm-card:before{content:"";position:absolute;left:0;top:0;width:0;height:3px;background:#0b8583;transition:width .18s ease}
.kbrm-card:hover:before{width:100%}
.kbrm-tags{display:flex;align-items:center;gap:6px;margin-bottom:9px}
.kbrm-tags span,.kbrm-tags em{display:inline-flex;min-height:20px;align-items:center;padding:2px 7px;font-size:8px;font-style:normal;font-weight:900}
.kbrm-tags span{background:#eaf6f4;color:#0b8583}
.kbrm-tags em{background:#f2f4f4;color:#7b8a8f}
.kbrm-card>strong{display:block;color:#173849;font-size:15px;line-height:1.5;word-break:keep-all;overflow-wrap:anywhere}
.kbrm-card>p{margin:8px 0 0;color:#7a8b90;font-size:10px;line-height:1.55}
.kbrm-card>b{display:block;margin-top:15px;color:#927238;font-size:9px}
.kbrm-empty{padding:24px 2px;border-bottom:1px solid #dbe4e5}
.kbrm-empty p{margin:0 0 8px;color:#7c8d92;font-size:12px}
.kbrm-empty a{color:#0b8583;font-size:11px;font-weight:900}
.icd-learn .kbrm{width:100%;margin-top:30px}
.kws .kbrm,.kbqt .kbrm{width:100%;margin-left:0;margin-right:0}
@media(max-width:820px){
 .kbrm{width:calc(100% - 24px)}
 .kbrm-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .kbrm{width:calc(100% - 20px);margin-top:26px}
 .kbrm-head{align-items:flex-start;flex-direction:column;gap:8px}
 .kbrm-head h2{font-size:19px}
 .kbrm-grid{grid-template-columns:1fr}
 .kbrm-card{min-height:0;padding:16px 15px}
}