:root{--navy:#081a44;--navy2:#102c63;--blue:#2f6fed;--ink:#172033;--muted:#667085;--line:#dce4ef;--bg:#f4f7fb;--white:#fff;--red:#cf3a55;--purple:#6f42c1;--orange:#f08a24;--green:#11805e;--shadow:0 18px 42px rgba(22,49,92,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink)}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 32px));margin:auto}.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:10px}.brand img{width:48px;height:48px;object-fit:contain}.brand strong{display:block;color:var(--navy);font-size:13px;letter-spacing:.04em}.brand span{display:block;color:#7b8799;font-size:10px;margin-top:2px}.navlinks{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 13px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--navy);font-size:11px;font-weight:850;cursor:pointer}.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}.hero{background:linear-gradient(135deg,#081a44,#153875);color:#fff;padding:54px 0}.hero-grid{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.eyebrow{font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#9fc0ff}.hero h1{font-size:clamp(30px,4vw,46px);margin:9px 0 10px;letter-spacing:-.035em}.hero p{margin:0;color:#d7e3f7;line-height:1.7;font-size:14px;max-width:720px}.search{margin-top:20px;display:flex;gap:8px;max-width:720px}.search input{flex:1;min-width:0;height:46px;border:0;border-radius:12px;padding:0 14px;font:inherit;font-size:13px}.section{padding:48px 0}.section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:18px}.section-head h2{margin:0;color:var(--navy);font-size:26px}.section-head p{margin:5px 0 0;color:var(--muted);font-size:12px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.035)}.cover{height:160px;background:linear-gradient(135deg,#dbe8ff,#f1f5ff);display:flex;align-items:center;justify-content:center;overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.cover-placeholder{font-weight:950;color:#234f9e;font-size:34px;letter-spacing:-.04em}.card-body{padding:16px}.badges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:9px}.badge{display:inline-flex;padding:5px 7px;border-radius:999px;background:#eef4ff;color:#2459b8;font-size:9px;font-weight:850}.badge.price{background:#edf9f4;color:#087a55}.card h3{margin:0;color:#203452;font-size:17px;line-height:1.35}.card p{margin:7px 0 0;color:#6f7d92;font-size:11px;line-height:1.6}.card-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.teacher-card{display:grid;grid-template-columns:78px 1fr;gap:13px;align-items:start;padding:16px}.teacher-photo{width:78px;height:78px;border-radius:16px;overflow:hidden;background:#fff1f3;border:1px solid #f4dce2}.teacher-photo img{width:100%;height:100%;object-fit:cover}.teacher-card h3{font-size:15px}.teacher-meta{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}.teacher-meta span{padding:4px 6px;border-radius:999px;background:#f4f6f9;color:#66758a;font-size:8px;font-weight:800}.empty{padding:28px;background:#fff;border:1px dashed #cfd9e8;border-radius:16px;color:#7d899b;text-align:center;font-size:12px}.detail-hero{padding:34px 0}.detail-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:start}.detail-cover{width:180px;height:180px;border-radius:18px;background:linear-gradient(135deg,#dce9ff,#f4f7ff);overflow:hidden;display:grid;place-items:center}.detail-cover img{width:100%;height:100%;object-fit:cover}.detail-copy h1{margin:0;color:var(--navy);font-size:31px}.detail-copy p{color:#667085;line-height:1.7;font-size:13px}.material-list{display:grid;gap:14px}.material{background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px}.material-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.material h3{margin:0;color:#203452;font-size:17px}.material p{margin:6px 0 0;color:#718095;font-size:11px;line-height:1.6}.teachers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:13px}.teacher-option{border:1px solid #e4e9f1;border-radius:14px;padding:12px;display:grid;grid-template-columns:54px 1fr;gap:10px;align-items:start}.teacher-option img{width:54px;height:54px;border-radius:12px;object-fit:cover;background:#fff1f3}.teacher-option strong{display:block;color:#203452;font-size:12px}.teacher-option small{display:block;color:#7b8798;font-size:9px;line-height:1.45;margin-top:3px}.teacher-option .btn{margin-top:8px;min-height:34px;font-size:9px;padding:0 10px}.form-card{max-width:760px;margin:32px auto;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}.form-head{padding:20px 22px;border-bottom:1px solid #edf1f6}.form-head h1,.form-head h2{margin:0;color:var(--navy)}.form-head p{margin:5px 0 0;color:#7c899a;font-size:11px;line-height:1.6}.form-body{padding:20px 22px}.field{margin-bottom:14px}.field label{display:block;margin-bottom:6px;color:#344054;font-size:11px;font-weight:850}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 11px;font:inherit;font-size:12px;background:#fff}.field textarea{min-height:100px;resize:vertical}.selection{padding:13px;border-radius:12px;background:#f7f9fc;border:1px solid #e6ebf2;margin-bottom:16px}.selection b{display:block;color:#203452;font-size:12px}.selection span{display:block;color:#738095;font-size:10px;margin-top:3px}.notice{padding:12px 14px;border-radius:12px;background:#edf9f4;color:#087a55;border:1px solid #cdeee0;font-size:11px;line-height:1.55;margin-bottom:14px}.footer{padding:28px 0 40px;color:#8190a5;font-size:10px}.footer-row{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:18px}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid{grid-template-columns:1fr}.teachers{grid-template-columns:1fr}}
@media(max-width:640px){.container{width:min(100% - 22px,1180px)}.nav{min-height:64px}.brand span{display:none}.navlinks .btn:first-child{display:none}.hero{padding:40px 0}.search{display:grid}.grid{grid-template-columns:1fr}.section{padding:36px 0}.section-head{align-items:flex-start;flex-direction:column}.detail-box{grid-template-columns:1fr}.detail-cover{width:100%;height:220px}.teacher-card{grid-template-columns:68px 1fr}.teacher-photo{width:68px;height:68px}.teacher-option{grid-template-columns:50px 1fr}.teacher-option img{width:50px;height:50px}.field input,.field textarea,.field select{font-size:16px}.footer-row{flex-direction:column}}
\n/* V27/V28 catalog detail additions */
.schedule-list{display:grid;gap:12px}.schedule-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:16px;display:grid;grid-template-columns:minmax(170px,.42fr) minmax(0,1fr);gap:18px;align-items:start}.schedule-time strong{display:block;color:var(--navy);font-size:12px}.schedule-time span{display:block;margin-top:4px;color:#8390a3;font-size:9px}.schedule-copy h3{margin:7px 0 0;color:#203452;font-size:15px}.schedule-copy p{margin:6px 0 0;color:#718095;font-size:11px;line-height:1.6}.schedule-fixed{background:#edf9f4!important;color:#087a55!important}.schedule-tentative{background:#fff7e8!important;color:#9a6511!important}.enroll-box{background:linear-gradient(135deg,#081a44,#153875);color:#fff;border-radius:22px;padding:23px 25px;display:flex;align-items:center;justify-content:space-between;gap:20px}.enroll-box h2{margin:5px 0 5px;font-size:25px}.enroll-box p{margin:0;color:#d4e0f2;font-size:12px;line-height:1.6}.enroll-main{background:#fff!important;border-color:#fff!important;color:#081a44!important;min-width:150px}.enroll-unavailable{color:#c8d5e9;font-size:11px}.program-teacher-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.program-teacher-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;display:grid;grid-template-columns:72px minmax(0,1fr);gap:13px;align-items:start}.program-teacher-card>img{width:72px;height:72px;object-fit:cover;border-radius:15px;background:#fff1f3}.program-teacher-card h3{margin:1px 0 0;color:#203452;font-size:15px}.program-teacher-card p{margin:5px 0 0;color:#718095;font-size:10px;line-height:1.55}.program-teacher-card .program-teacher-meta{font-weight:800;color:#566881}.program-teacher-card .btn{margin-top:10px;min-height:34px;font-size:9px}.attachment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.attachment-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.attachment-preview{height:180px;background:#eef4ff;display:block;overflow:hidden}.attachment-preview img{width:100%;height:100%;object-fit:cover}.attachment-pdf{height:150px;display:grid;place-items:center;background:linear-gradient(135deg,#eef4ff,#f7f9fd);color:#234f9e;font-size:30px;font-weight:950;letter-spacing:.06em}.attachment-body{padding:15px}.attachment-body h3{margin:9px 0 0;color:#203452;font-size:15px;line-height:1.4}.attachment-body p{margin:6px 0 0;color:#718095;font-size:10px;line-height:1.6}.attachment-body .btn{margin-top:12px}.attachment-section{padding-top:12px}
@media(max-width:900px){.program-teacher-grid,.attachment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.schedule-item{grid-template-columns:1fr}.enroll-box{align-items:flex-start;flex-direction:column}}
@media(max-width:640px){.program-teacher-grid,.attachment-grid{grid-template-columns:1fr}.program-teacher-card{grid-template-columns:62px minmax(0,1fr)}.program-teacher-card>img{width:62px;height:62px}.attachment-preview{height:220px}.enroll-actions,.enroll-main{width:100%}}

/* V29 · flexible program information content */
.program-content-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:start}.content-file-card{height:100%}.html-content-card{grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.035)}.html-content-head{padding:15px 16px;border-bottom:1px solid #edf1f5;display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.html-content-head h3{margin:8px 0 0;color:#203452;font-size:16px}.html-content-head p{margin:6px 0 0;color:#718095;font-size:11px;line-height:1.6}.program-html-frame{display:block;width:100%;border:0;background:#fff}.program-content-list>.attachment-card{min-width:0}@media(max-width:900px){.program-content-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.program-content-list{grid-template-columns:1fr}.html-content-head{flex-direction:column}.html-content-head .btn{width:100%}.program-html-frame{min-height:320px}}