/* 고1·고2 공통수학 학교 내신 5단계 (2026-10-28) */
.hero-badges{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px;margin:0 0 25px}
.hero-badges>.exam-ready{margin:0!important}
.common-chip{display:inline-flex;align-items:center;gap:9px;margin:0;padding:11px 16px;border:1px solid #c9d5cd;border-radius:3px;background:#eff3f0;color:#1e3a32;font:600 15px/1.4 var(--sans);letter-spacing:-.3px;text-decoration:none}
.common-chip>span{padding:2px 7px;border-radius:2px;background:#1e3a32;color:#f4efe5;font-size:11px;letter-spacing:0}
.common-chip:hover{border-color:#1e3a32}
.common-section{background:#fffdf9;border-bottom:1px solid #e6e3de}
.common-head{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:end;margin-bottom:50px}
.common-head .eyebrow{margin-bottom:18px}
.common-head h2{margin:0}
.common-intro{margin:0;font-size:15px;line-height:1.95;color:#5c626d}
.common-intro strong{color:var(--ink);font-weight:600}
.common-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px}
.common-steps>li{display:flex;flex-direction:column;gap:20px;min-width:0}
.common-steps figure{margin:0;aspect-ratio:429/606;overflow:hidden;background:#f4efe5;border:1px solid #e2ddd3;box-shadow:0 12px 24px #1e3a3216}
.common-steps img{display:block;width:100%;height:100%;object-fit:cover}
.common-step-copy{position:relative;padding-top:16px;border-top:1px solid #d6d0c4}
.common-step-copy:before{content:"";position:absolute;left:0;top:-4px;width:7px;height:7px;border-radius:50%;background:#a8884f}
.common-num{display:block;margin-bottom:9px;font:600 11px/1 var(--sans);letter-spacing:1.6px;color:#9b4e40}
.common-steps h3{margin:0 0 8px;font:600 20px/1.35 var(--sans);letter-spacing:-.6px;color:var(--ink)}
.common-steps p{margin:0;font-size:13px;line-height:1.8;color:#5c626d;word-break:keep-all}
.common-detail{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin-top:54px}
.common-detail>div{padding:26px 28px;background:#f8f6f2;border:1px solid #e3dfd8}
.common-label{display:block;margin-bottom:15px;font:600 11px/1 var(--sans);letter-spacing:1.4px;color:#a1513d}
.common-units p,.common-start p{margin:0 0 10px;font-size:13.5px;line-height:1.9;color:#4f5662;word-break:keep-all}
.common-units p:last-child{margin-bottom:0}
.common-units b{display:block;margin-bottom:2px;color:var(--ink);font-weight:600}
.common-start .text-link{display:inline-flex;gap:6px;margin-top:6px;font-weight:600}
.common-note{margin:18px 0 0;font-size:11.5px;line-height:1.7;color:#7a7f87}
.course-purpose a{color:inherit;text-decoration:underline;text-underline-offset:3px}
@media (max-width:1023px){
  .common-head{grid-template-columns:1fr;gap:20px;margin-bottom:36px}
  .common-steps{grid-template-columns:1fr;gap:0}
  .common-steps>li{flex-direction:row;align-items:flex-start;gap:22px;padding:18px 0;border-top:1px solid #e3ded4}
  .common-steps>li:last-child{border-bottom:1px solid #e3ded4}
  .common-steps figure{flex:none;width:112px}
  .common-step-copy{padding-top:4px;border-top:0}
  .common-step-copy:before{display:none}
  .common-detail{grid-template-columns:1fr;gap:14px;margin-top:32px}
}
@media (max-width:600px){
  .hero-badges{margin-bottom:22px}
  .common-chip{font-size:14px;padding:10px 14px}
  .common-intro{font-size:13.5px}
  .common-steps>li{gap:16px;padding:16px 0}
  .common-steps figure{width:84px}
  .common-steps h3{font-size:17px;margin-bottom:6px}
  .common-steps p{font-size:12.5px;line-height:1.75}
  .common-detail>div{padding:20px 18px}
  .common-units p,.common-start p{font-size:12.5px}
  .common-note{font-size:11px}
}