@charset "utf-8";
.verw h1, .verw h2, .verw h3, .verw h4, .verw h5, .verw h6 { margin: 0; }
#header h1 { margin: .67em 0; }

/* AI Sub01 Common */
.ai_sub01 > .inner > .txt_box > .mini_tit { font-size: 24px; line-height: 66px; color: #00bcd4; font-family: 'Audiowide', cursive; }
.ai_sub01 > .inner > .txt_box > .main_tit { font-size: 64px; font-weight: 200; letter-spacing: -3.2px; color: #222222; padding-left: 0; }
.ai_sub01 > .inner > .txt_box > p { font-size: 24px; margin-top: 50px; line-height: 42px; color: #444; }
.ai_sub01 > .inner > .txt_box > .main_tit.w_tit { color: #ffffff; }
.ai_sub01 > .inner > .txt_box > .main_tit > span { font-weight: 700; color: #007bff; }
.ai_sub01 > .inner > .txt_box > .main_tit.w_tit > span { color: #00ccff; }

@media all and (max-width:800px) {
    .ai_sub01 > .inner > .txt_box > .main_tit { font-size: 40px; }
}
@media all and (max-width:550px) {
    .ai_sub01 > .inner > .txt_box > .main_tit { font-size: 28px; }
    .ai_sub01 > .inner > .txt_box > p { font-size: 18px; }
}

/* Visual Section */
.ai_sub01_visual { position: relative; padding: 17.5% 0 18%; overflow: hidden; }
.ai_sub01_visual .sub_video_box { position: absolute; top:0; left:0; width:100%; height:100%; z-index: 1; overflow: hidden; }
.ai_sub01_visual .sub_video_box::after { content:''; position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(2, 12, 27, 0.6); z-index: 1; }
.ai_sub01_visual .sub_video_box video { width:100%; height:100%; object-fit: cover; position: relative; z-index: 0; }
.ai_sub01_visual .inner { position: relative; z-index: 2; }
.ai_sub01_visual .inner .txt_box .tit { font-size: 100px; font-family: 'Audiowide', cursive; line-height: 120px; color: #ffffff; text-shadow: 0px 0px 20px rgba(0, 188, 212, 0.5); }
.ai_sub01_visual .inner .txt_box .txt { font-family: 'pre-r'; font-size: 24px; line-height: 1.5; color: #e6f1ff; margin-bottom: 20px; }
.ai_sub01_visual .new_txt_yo { font-size: 22px; line-height: 1.6; color: rgba(255,255,255,0.9); font-weight: 300; }

@media all and (max-width:1200px) {
    .ai_sub01_visual .inner .txt_box .tit { font-size: 70px; }
    .ai_sub01_visual { padding: 25.5% 0 10%; }
}

/* Con01: Core Tech & Intro */
.ai_sub01_con01 { background: #ffffff; padding: 120px 0; }
.ai_sub01_con01 .inner { display: flex; flex-direction: column; }
.ai_sub01_con01 .intro_flex { display: flex; align-items: center; justify-content: space-between; margin-top: 60px; }
.ai_sub01_con01 .intro_flex .img_box { width: 48%; }
.ai_sub01_con01 .intro_flex .txt_box { width: 48%; }
.ai_sub01_con01 .img_box img { width: 100%; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

/* Comparison Section */
.ai_sub01_compare { background: #f1f5f9; padding: 100px 0; text-align: center; }
.ai_sub01_compare .compare_img { margin-top: 50px; max-width: 1000px; margin-left: auto; margin-right: auto; box-shadow: 0 15px 35px rgba(0,0,0,0.1); border-radius: 20px; overflow: hidden; }
.ai_sub01_compare .compare_img img { width: 100%; display: block; }

/* Grid Features */
.ai_sub01_features { background: #0f172a; padding: 120px 0; color: #fff; }
.ai_sub01_features .main_tit { color: #fff !important; }
.ai_sub01_features .feature_grid_img { margin-top: 60px; border-radius: 25px; overflow: hidden; box-shadow: 0 30px 60px rgba(0,0,0,0.5); }
.ai_sub01_features .feature_grid_img img { width: 100%; display: block; }
.ai_sub01_features .feature_list { margin-top: 80px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.ai_sub01_features .feature_list .item { background: rgba(255,255,255,0.07); padding: 40px; border-radius: 20px; border: 1px solid rgba(0, 188, 212, 0.2); box-shadow: 0 15px 35px rgba(0,0,0,0.3); transition: all 0.3s; text-align: center; }
.ai_sub01_features .feature_list .item:hover { background: rgba(255,255,255,0.12); transform: translateY(-10px); border-color: #00bcd4; }
.ai_sub01_features .feature_list .item h4 { font-size: 24px; color: #00ccff; margin-bottom: 20px; font-weight: 700; text-align: center; }
.ai_sub01_features .feature_list .item p { font-size: 18px; line-height: 1.6; color: #94a3b8; text-align: center; word-break: keep-all; }

@media all and (max-width:1024px) {
    .ai_sub01_features .feature_list { grid-template-columns: 1fr; }
}
@media all and (max-width:640px) {
    .ai_sub01_features .feature_list { grid-template-columns: 1fr; }
}

/* Stats Section */
.ai_sub01_stats { background: #ffffff; padding: 120px 0; }
.ai_sub01_stats .inner { display: flex; align-items: center; justify-content: space-between; }
.ai_sub01_stats .txt_part { width: 45%; }
.ai_sub01_stats .img_part { width: 50%; position: relative; }
.ai_sub01_stats .img_part img { width: 100%; border-radius: 20px; box-shadow: 0 40px 80px rgba(0,123,255,0.15); }
.ai_sub01_stats .stat_cards { margin-top: 40px; display: flex; gap: 20px; }
.ai_sub01_stats .stat_cards .card { flex: 1; background: #f8fafc; padding: 30px; border-radius: 15px; text-align: center; }
.ai_sub01_stats .stat_cards .card .num { font-size: 48px; font-weight: 800; color: #007bff; display: block; }
.ai_sub01_stats .stat_cards .card .label { font-size: 16px; color: #64748b; margin-top: 10px; display: block; }

@media all and (max-width:1024px) {
    .ai_sub01_stats .inner { flex-direction: column; text-align: center; }
    .ai_sub01_stats .txt_part, .ai_sub01_stats .img_part { width: 100%; }
    .ai_sub01_stats .img_part { margin-top: 60px; }
}

/* Option List & Benefits */
.ai_sub01_benefits { background: #f8f9fa; padding: 120px 0; }
.option_list { margin-top: 60px; list-style: none; padding: 0; }
.option_list li { display: flex; align-items: flex-start; margin-bottom: 35px; font-size: 24px; border-bottom: 1px solid #e2e8f0; padding-bottom: 25px; transition: all 0.3s; }
.option_list li:hover { padding-left: 10px; color: #00bcd4; }
.option_list .option_tit { font-weight: 700; width: 220px; color: #0f172a; flex-shrink: 0; }
.option_list .option_con { color: #475569; font-weight: 300; line-height: 1.6; word-break: keep-all; }

/* Real Case Grid */
.ai_real_case { background: #fff; padding: 100px 0 180px; }
.ai_real_case .img_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.ai_real_case .img_grid .item { border-radius: 15px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.08); border: 1px solid #eee; background: #fff; }
.ai_real_case .img_grid .item img { width: 100%; display: block; height: 350px; object-fit: cover; object-position: top; }
.ai_real_case .img_grid .item .caption { padding: 25px; font-size: 18px; color: #333; text-align: center; font-weight: 600; background: #fff; border-top: 1px solid #eee; }

/* Responsive Overrides (Crucial) */
@media all and (max-width: 1024px) {
    .inner { width: 92% !important; margin: 0 auto !important; }
    
    .ai_sub01_con01 .intro_flex { flex-direction: column !important; align-items: flex-start !important; gap: 40px; }
    .ai_sub01_con01 .intro_flex .img_box, 
    .ai_sub01_con01 .intro_flex .txt_box { width: 100% !important; }
    
    .ai_sub01_features .feature_list { grid-template-columns: 1fr !important; gap: 30px !important; margin-top: 50px !important; }
    .ai_sub01_features .feature_list .item { padding: 30px !important; text-align: center !important; }
    .ai_sub01_features .feature_list .item h4 { font-size: 24px !important; margin-bottom: 15px !important; line-height: 1.3 !important; }
    .ai_sub01_features .feature_list .item p { font-size: 17px !important; word-break: keep-all !important; }

    .ai_sub01_stats .stat_cards { flex-direction: column !important; gap: 15px !important; width: 100% !important; overflow: hidden; }
    .ai_sub01_stats .stat_cards .card { width: 100% !important; margin-right: 0 !important; box-sizing: border-box; }
    
    .chatbot_compare_ui { flex-direction: column !important; align-items: center !important; }
    .chatbot_compare_ui .compare_card { width: 100% !important; max-width: 100% !important; margin: 0 !important; }
    .chatbot_compare_ui .vs_circle { margin-top: 20px !important; margin-bottom: 20px !important; z-index: 5 !important; }

    .ai_real_case .img_grid { grid-template-columns: 1fr !important; gap: 30px !important; }
    .ai_real_case .img_grid .item img { height: auto !important; }

    .option_list li { flex-direction: column !important; align-items: flex-start !important; font-size: 20px !important; }
    .option_list .option_tit { width: 100% !important; margin-bottom: 12px !important; border-bottom: 2px solid #00bcd4; padding-bottom: 8px !important; }
    .option_list .option_con { width: 100% !important; line-height: 1.5 !important; }
}

@media all and (max-width: 640px) {
    .ai_sub01_visual .inner .txt_box .tit { font-size: 44px !important; line-height: 1.1 !important; word-break: break-word; }
    .ai_sub01_visual .inner .txt_box .txt { font-size: 18px !important; line-height: 1.4 !important; }
    .ai_sub01_visual .new_txt_yo { font-size: 17px !important; word-break: keep-all; }
    
    .ai_sub01 > .inner > .txt_box > .main_tit { font-size: 32px !important; line-height: 1.3 !important; }
    .ai_sub01 > .inner > .txt_box > p { font-size: 17px !important; line-height: 1.6 !important; }

    .ai_sub01_stats .stat_cards .card .num { font-size: 36px !important; }
    .ai_sub01_features .feature_list .item h4 { font-size: 22px !important; }
    .ai_sub01_features .feature_list .item p { font-size: 16px !important; }
}