/* 공통 */
.inner_{padding:0 20px; max-width:1240px; width:100%; margin:0 auto;    text-align: center;}
.bg{padding:100px 0;}
img{max-width:100%;width:auto;height:auto;}
.tit_wrap{padding-bottom:51px; text-align: center;}
.sub_tit{font-size:14px;font-weight: 300;color:#666; word-break: keep-all;}
.req{color:#ef5234;}

/* 공통버튼 */
.btn_code_cursor{position: absolute;top: 50%;transform: translateY(-50%);right: -43px;animation: bounce 1s infinite;}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
.btn_wrap{position: relative;}
.btn_code{
  font-weight: 900;color:#fff;background-color:#111;border-radius: 10px;font-size:50px;
  box-shadow: inset 2px 2px 0 0px rgba(255,255,255,0.4);
}


/* 비주얼 */
.visual{
    background: url('https://image.engineerlab.co.kr/data/www/engr/promotion/2026/0519/visual/bg.jpg') 
    no-repeat center center / cover;
    width:100%;
    min-height:906px;
    padding-bottom:70px;
}
.visual .top{
    text-align: center;
    padding:58px 0 30px;
}
/* 근거확인 */
.basis_link{text-decoration:underline;text-underline-offset:2px;}
.basis_content{display: none;margin-top:20px;}
.basis_content.is-visual {display:block;}
.basis_content_wrap{background:#fff;padding:20px;border-radius:10px;display:inline-block;}
.basis_content_wrap p{text-align: left;font-size:14px;color:#666;}
.basis_content_wrap p::before{content: '*';margin-right:5px;}

.main_typo_wrap {text-align: center;}
.main_typo_wrap .sub_tit{
    font-size:30px;
    font-weight: 800;
    color:#fff;
    background-color:#111;
    border-radius: 999px;
    padding: 10px 45px;
    display: inline-block;
}
.main_typo_wrap .img_wrap{
    padding-top:30px;
    filter: drop-shadow(20px 0 15px rgba(0, 0, 0, 0.08));
}
.main_typo_wrap .txt_wrap{display: inline-block;margin-top:60px;}
.main_typo_wrap .txt_wrap p{font-size:35px;font-weight: 800; color:#fff;background: linear-gradient(to right, #00b9e4, #00d429);padding: 10px 20px;}

/* 혜택 스티키 바 */
.benefit_sticky_nav{
    position: sticky;
    top: 95px;
    left: 0;
    z-index: 100;
    width: 100%;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}
.benefit_sticky_nav.is-stuck{
    background: transparent;
    padding: 10px 20px;
    box-shadow: none;
}
.benefit_sticky_row{
    display: flex;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
    transition: max-width 0.35s ease, border-radius 0.35s ease, box-shadow 0.35s ease;
}
.benefit_sticky_nav.is-stuck .benefit_sticky_row{
    max-width: 1200px;
    border-radius: 14px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.14);
}
.benefit_sticky_cell{
    flex: 1;
    display: flex;
    align-items: stretch;
    min-width: 0;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border-right: 1px solid #ebebeb;
    overflow: hidden;
    position: relative;
    transition: background 0.18s;
}
.benefit_sticky_cell:last-child{ border-right: none; }
.benefit_sticky_cell:hover{ background: #f8f8f8; }

/* 상단 컬러 포인트 라인 */
.benefit_sticky_cell::before{
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
}
.bsc--1::before{ background: #111; }
.bsc--2::before{ background: #00b3de; }
.bsc--3::before{ background: #ef5234; }

.benefit_sticky_body{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 84px;
    padding: 16px 18px 14px 18px;
    gap: 12px;
    box-sizing: border-box;
}
.benefit_sticky_info{
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    flex: 1;
    min-width: 0;
}
.benefit_sticky_tag{
    display: inline-block;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.07em;
    padding: 2px 9px;
    border-radius: 4px;
    line-height: 1.6;
}
.bsc--1 .benefit_sticky_tag{ background: #111; color: #fff; }
.bsc--2 .benefit_sticky_tag{ background: #00b3de; color: #fff; }
.bsc--3 .benefit_sticky_tag{ background: #ef5234; color: #fff; }

.benefit_sticky_tit{
    font-size: 25px;
    font-weight: 900;
    color: #111;
    line-height: 1.2;
    letter-spacing: -0.03em;
    white-space: nowrap;
}
.benefit_sticky_arrow{
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 15px;
    font-weight: 700;
    color: #bbb;
    transition: color 0.18s, gap 0.18s;
}
.bsc--1:hover .benefit_sticky_arrow{ color: #111; gap: 7px; }
.bsc--2:hover .benefit_sticky_arrow{ color: #00b3de; gap: 7px; }
.bsc--3:hover .benefit_sticky_arrow{ color: #ef5234; gap: 7px; }

/* 이미지 영역 공통 */
.benefit_sticky_thumb{
    flex-shrink: 0;
    position: relative;
    overflow: visible;
}
.benefit_sticky_thumb img{
    display: block;
    height: auto;
    object-fit: contain;
    transition: transform 0.22s ease;
}

/* 혜택1 — 하단 기준, 셀 아래로 넘치게 */
.bsc--1 .benefit_sticky_thumb{
    align-self: flex-end;
    width: clamp(100px, 16vw, 200px);
    margin-bottom: -14px;
}
.bsc--1 .benefit_sticky_thumb img{
    position: relative;
}
.bsc--1:hover .benefit_sticky_thumb img{
    transform: translateY(-4px);
}

/* 혜택2 — 수직 가운데 */
.bsc--2 .benefit_sticky_thumb{
    align-self: center;
    width: clamp(80px, 13vw, 150px);
}
.bsc--2:hover .benefit_sticky_thumb img{
    transform: translateY(-4px) scale(1.04);
}

/* 혜택3 — 수직 가운데 */
.bsc--3 .benefit_sticky_thumb{
    align-self: center;
    width: clamp(70px, 11vw, 130px);
}
.bsc--3:hover .benefit_sticky_thumb img{
    transform: translateY(-4px) scale(1.04);
}

/* 섹션1 */
.section1{background-color:#fada12; }

/* 섹션2,섹션3 컨텐츠공통 */
.list_wrap{display: grid;grid-template-columns: repeat(3, 381px);gap:10px; justify-content: space-between;}
.list_wrap .sub_tit{display:flex;text-align: left;}
.list_wrap .sub_tit::before{
    content:'*';
    margin-right:5px;
}
.list_wrap li:nth-of-type(2) .sub_tit:nth-of-type(1)::before{
    margin-right:17px;
}

.list_wrap .sub_tit:nth-of-type(2)::before{
    content:'**';
    margin-right:11px;
}
.list_wrap .sub_tit:nth-of-type(3)::before{
    content:'***';
    margin-right:5px;
}


/* 섹션2 */
.section2{background-color:#eaeef1; }

/* 섹션3 */
.section3{background-color:#e5f2e8; }

/* con7 이미지맵 커서 오버레이 */
.con7_map_wrap{
    position: relative;
    display: inline-block;
    width: 100%;
}
.con7_map_wrap img:first-child{
    display: block;
    width: 100%;
    height: auto;
}
.con7_cursor{
    position: absolute;
    top: 82%;
    transform: translateY(-50%);
    width: 100px;
    height: auto;
    pointer-events: none;
    animation: bounce 1s infinite;
}

/* 섹션4 */
.section4{background-color:#00b3de;}
.section4 .btn_wrap{max-width:779px;margin:54px auto 0;}
.section4 .btn_code{width:100%;padding:30px 0;}
.section4 .sub_tit{margin-top:20px;color:#111;}

/* ========== 전강좌 무료 팝업 ========== */
.popup_wrap{
    display:none;
}
.popup_wrap.is-open{
    display:flex;
    position:fixed;
    inset:0;
    z-index:9998;
    align-items:center;
    justify-content:center;
    padding:0 20px;
    
    background:rgba(0,0,0,0.5);
    backdrop-filter:blur(4px);
    -webkit-backdrop-filter:blur(4px);
}
.popup_wrap .free_popup{
    height: 75vh;
    overflow-y: auto;
    width:100%;
    max-width:520px;
    padding:20px;
    background:#fff;
    border:1px solid rgba(0,0,0,0.06);
    box-shadow:
        0 24px 48px rgba(0,0,0,0.18);
    border-radius:16px;
    position:relative;
    z-index:1;
    color:#222;
}

.free_popup h4{
    margin:0 0 20px;
    padding:0 0 18px;
    font-size:25px;
    font-weight:800;
    color:#0d0e11;
    text-align:center;
    border-bottom:1px solid #e8ebed;
}

/* 개인정보 동의 */
.free_popup .pi-consent{
    background:linear-gradient(180deg,#f6f8fa 0%,#fff 100%);
    border:1px solid #e4e8ec;
    border-radius:10px;
    padding:16px;
    margin-bottom:4px;
}
.free_popup .pi-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
}
.free_popup .pi-text{
    flex:1 1 200px;
    font-size:16px;
    font-weight:600;
    color:#222;
    line-height:1.45;
}

.free_popup .agree-ctrl{
    display:inline-flex;
    align-items:center;
    gap:10px;
    cursor:pointer;
    user-select:none;
}
.free_popup .agree-ctrl input{
    position:absolute;
    opacity:0;
    width:0;
    height:0;
    pointer-events:none;
}
.free_popup .agree-ctrl .box{
    width:22px;
    height:22px;
    border:2px solid #b8bec6;
    border-radius:6px;
    background:#fff;
    
    
    transition:border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.free_popup .agree-ctrl input:focus-visible + .box{
    outline:2px solid #00b3de;
    outline-offset:2px;
}
.free_popup .agree-ctrl input:checked + .box{
    border-color:#0d0e11;
    background:#0d0e11;
    box-shadow:inset 0 0 0 2px #fff;
}
.free_popup .agree-ctrl .txt{
    font-size:14px;
    font-weight:600;
    color:#111;
}

.free_popup .pi-text-info{
    margin-top:14px;
    padding:16px;
    border:1px solid #e4e8ec;
    border-radius:10px;
    background:#fff;
}
.free_popup .pi-text-info p{
    font-size:14px;
    line-height:1.6;
    color:#5a6169;
}

/* 혜택 안내 */
.free_popup .popup_section{
    margin-top:22px;
    padding-top:20px;
    border-top:1px solid #eef1f4;
}
.free_popup .section_label{
    display:inline-block;
    margin-bottom:12px;
    padding:6px 14px;
    font-size:16px;
    font-weight:800;
    color:#fff;
    background:linear-gradient(90deg,#ef5234 0%,#ff6b42 100%);
    border-radius:999px;
}
.free_popup .benefit_info_wrap{
    padding:4px 2px 0;
}
.free_popup .benefit_info_wrap p{
    font-size:14px;
    line-height:1.6;

}
.free_popup .benefit_info_wrap p:last-child{
    margin-bottom:0;
}
.free_popup .highlight_red{
    color:#ef5234;
    font-weight:700;
}

/* 무료교재 팝업(섹션5): 교재 선택·혜택 문구 */
.free_popup .book_options{
    display:flex;
    flex-direction:column;
    gap:10px;
}
.free_popup .radio_option{
    display:flex;
    align-items:flex-start;
    gap:10px;
    cursor:pointer;
    font-size:15px;
    font-weight:500;
    color:#222;
    line-height:1.45;
}
.free_popup .radio_option input{
    margin-top:3px;
    
}
.free_popup .radio_option span{
    line-height:1.45;
}
.free_popup .benefit_info{
    padding:4px 2px 0;
}
.free_popup .benefit_info p{
    font-size:14px;
    line-height:1.6;
}
.free_popup .benefit_info p:last-child{
    margin-bottom:0;
}

/* 하단 버튼 */
.free_popup .popup_buttons{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-top:26px;
    padding-top:4px;
}
.free_popup .btn_confirm,
.free_popup .btn_close{
    display:block;
    width:100%;
    
    padding:16px 20px;
    font-size:16px;
    font-weight:700;
    border-radius:12px;
    border:0;
    cursor:pointer;
    transition:transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
}
.free_popup .btn_confirm{
    color:#fff;
    background:linear-gradient(180deg,#252830 0%,#0d0e11 100%);
    box-shadow:0 4px 14px rgba(0,0,0,0.2);
}
.free_popup .btn_confirm:hover{
    transform:translateY(-1px);
    box-shadow:0 6px 18px rgba(0,0,0,0.24);
}
.free_popup .btn_confirm:active{
    transform:translateY(0);
}
.free_popup .btn_close{
    color:#555;
    font-weight:600;
}
.free_popup .btn_close:hover{
    background:#f6f8fa;
    border-color:#c5ccd4;
    color:#222;
}

/* ========== 대상 상품 팝업 (교재/전강좌 팝업과 동일 톤) ========== */
#products_popup .products_popup_section{
    margin-top:16px;
    padding-top:0;
    border-top:none;
}
#products_popup .products_popup_section .section_label{
    margin-bottom:14px;
}
#products_popup .products_popup_section .benefit_info{
    text-align:left;
    margin:0;
    padding:18px 18px 16px;
    background:linear-gradient(180deg,#f6f8fa 0%,#fff 100%);
    border:1px solid #e4e8ec;
    border-radius:10px;
    box-sizing:border-box;
}
#products_popup .products_popup_section .benefit_info > p{
    margin:0 0 12px;
    font-size:15px;
    line-height:1.55;
    color:#333;
}
#products_popup .products_popup_section .benefit_info > p:last-child{
    margin-bottom:0;
}
#products_popup .products_popup_section .benefit_info b{
    color:#0d0e11;
    font-weight:800;
}
#products_popup .product_list{
    margin:4px 0 16px;
    padding:14px 16px;
    max-height:320px;
    overflow-y:auto;
    border:1px solid #e4e8ec;
    border-radius:10px;
    background:#fff;
    box-shadow:inset 0 1px 2px rgba(0,0,0,0.04);
    box-sizing:border-box;
}
#products_popup .product_list p{
    margin:0 0 10px;
    padding:8px 4px 10px;
    font-size:14px;
    line-height:1.5;
    color:#222;
    border-bottom:1px dashed #e8ebed;
}
#products_popup .product_list p:last-child{
    margin-bottom:0;
    padding-bottom:8px;
    border-bottom:none;
}
#products_popup .product_list_empty{
    color:#5a6169;
    font-size:14px;
    border-bottom:none !important;
    padding:12px 4px !important;
}
#products_popup .popup_buttons{
    margin-top:22px;
    padding-top:18px;
    border-top:1px solid #eef1f4;
}

.section5{background:url('https://image.engineerlab.co.kr/data/www/engr/promotion/2026/0519/con5/bg.jpg') 
    no-repeat center center / cover;
    min-height:2803px;
    width: 100%;
}
.con5_wrap .tit_wrap{padding-bottom:0;z-index: 1;position: relative;}
.con5_content {
    background-color: #fff;
    padding: 90px 20px 20px;
    left: 0;
    width: 100%;
    position: relative;
    top:-35px;
}

.con5_content .apply_row_wrap {
    margin: 0 auto;
    max-width: 986px;
    height: 186px;
    border: 1px solid #ef5234;
    border-bottom: 2px solid #ef5234;
    position: relative;
    display: flex;
    align-items: center;
}
/* 아이콘넣기 */
.con5_content .apply_row_wrap::before{
    content:'';
    position: absolute;
    top: -33px;
    right: -33px;
    background-image: url('https://image.engineerlab.co.kr/data/www/engr/promotion/2026/0519/con5/icon.png');
    background-size: cover;
    background-position: center;
    height: 43px;
    width: 60px;
}

.apply_row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
    color:#222;
    padding-right: 40px;
    padding-left:121px;
    gap:20px;
}
.apply_label{
    display:flex;
    flex-direction:column;
    gap:6px;
    
}
.apply_label span{
    font-size:25px;
    text-align: left;
    font-weight: 800;
}

.con5_content .countdown_number_box_wrap{
    display:flex;
    align-items:flex-end;
    gap:10px;
}
.con5_content .countdown_digits{
    display:flex;
    align-items:center;
    gap:8px;
}
.con5_content .countdown_number_box{
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    background-color:#fff;
    border:1px solid #222;
    padding:14px;
    height:138px;
}
.con5_content .countdown_number{
    font-size:130px;
    font-weight:800;
    background:linear-gradient(180deg, #2a8df2 0%, #4cc3ff 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    -webkit-text-fill-color:transparent;
}
.con5_content .countdown_number_text{
    font-size:60px;
    font-weight:700;
    color:#111;
}

.con5_content .btn_wrap{flex:1 ;}
.con5_content .btn_code{
    width:100%; padding:30px;
}
.apply_cta_btn:hover{
    transform:translateY(-2px);
    box-shadow:0 6px 0 #000, 0 14px 28px rgba(0,0,0,0.25);
}
.apply_cta_btn:active{
    transform:translateY(1px);
    box-shadow:0 2px 0 #000, 0 4px 14px rgba(0,0,0,0.18);
}

.circle_wrap{position: absolute;top:-37px;left:-37px;z-index:2;}
.circle {
    background-color: #ef5234;
    border-radius: 50%;
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.circle span {
    font-weight: 800;
    color: #fff;
}

.circle span:first-child {
    font-size: 22px;
}

.circle span:last-child {
    font-size: 40px;
}

.con5_content_img{
    margin-top:60px;
}
.con5_content_img ul{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap:10px;
}


.con6_wrap{padding:124px 0;}
.con6_wrap .tit_wrap{padding-bottom:0;z-index: 1;position: relative;}
.con6_content{background-color:#fff;padding:90px 20px 20px;position: relative;top:-35px;}
.coupon_row{
    display:flex;
    justify-content:space-between;
    gap:24px;
    align-items:stretch;
    margin:0 auto;
}
.coupon_btns{
    display:grid;
    grid-template-columns:1fr;
    grid-template-rows:1fr 1fr;
    gap:20px;
    flex:1 1 auto;
}
.coupon_btns .btn_wrap{
    display:flex;
}
.coupon_btns .btn_code{
    width:100%;
}
/* 교재 상세보기 버튼 */
.btn_book_detail {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 16px;
    background: #fff;
    border: 2px solid #111;
    border-radius: 10px;
    font-weight: 700;
    color: #111;
}


/* 플러스혜택 */

/* 섹션6 */
.section6{background-color:#f7f8fa;}
.con8_content ul{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap:20px;
}
.con8_content ul li{
    border: 1px solid #e4e4e4;
    border-radius: 14px;
    background-color:#fff;
    box-shadow: 0 3px 10px rgba(0,0,0,0.07);
    overflow: hidden;
    word-break: keep-all;
    min-height: 214px;
    position: relative;
    padding-right:200px;
    display:flex;
}
.con8_content ul li p:first-child{font-size:25px;line-height:1.3;}
.con8_content ul li p span{font-weight: 800;}
.con8_content ul li p:last-child{font-size:18px;color:#808080;}
.con8_content ul li .left{
    text-align: left;
    padding:35px 0 35px 35px;
    display:flex;
    flex-direction:column;
    justify-content: space-between;
    width:100%;
}
.con8_content ul li .right{
    position: absolute;
    bottom:-7px;
    right:0;
}

/* 섹션7 */
.section7{background-color:#111;}

.section7 .tit_wrap{padding-bottom:0;}