*{margin:0;padding:0;box-sizing:border-box;}body{background:linear-gradient(145deg,#f9f3e8 0%,#fff4e6 100%);font-family:'Segoe UI','PingFang SC',Roboto,system-ui,-apple-system,'Helvetica Neue',sans-serif;padding:2rem 1.5rem 3rem;min-height:100vh;display:flex;flex-direction:column;align-items:center;color:#2e241f;}.container{max-width:1280px;width:100%;background:rgba(255,250,240,0.7);backdrop-filter:blur(2px);border-radius:48px 48px 32px 32px;padding:2rem 2rem 1.5rem;box-shadow:0 20px 40px -12px rgba(120,80,50,0.25),0 8px 16px -6px rgba(200,150,100,0.15);border:1px solid #ffe9d4;}.header{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;margin-bottom:2rem;border-bottom:3px dashed #fbc4ab;padding-bottom:1rem;}.header h1{font-size:2.2rem;font-weight:700;letter-spacing:-0.3px;background:linear-gradient(135deg,#ff8a5c,#ff5e6b);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;}.header h1 small{font-size:1rem;font-weight:400;background:#fdd8c0;color:#5a3f34;padding:0.2rem 1rem;border-radius:40px;letter-spacing:0.3px;background:#fce2d0;box-shadow:inset 0 -2px 0 #eabb9e;}.badge{background:#ffdbb5;padding:0.4rem 1.2rem;border-radius:60px;font-weight:600;font-size:0.9rem;color:#5d3e2e;border:1px solid #fccaa7;box-shadow:0 2px 6px rgba(255,150,80,0.2);backdrop-filter:blur(2px);}.badge i{font-style:normal;background:#ff8a5c;color:white;border-radius:30px;padding:0 10px;margin-left:6px;}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin:0.5rem 0 1.2rem;}.card{background:#fffffffa;border-radius:28px;padding:0.9rem 1.2rem 0.9rem 1.2rem;box-shadow:0 4px 10px rgba(160,110,70,0.08),0 2px 4px rgba(0,0,0,0.02);transition:all 0.2s ease;border:1px solid #f7e1cf;display:flex;align-items:center;gap:12px;backdrop-filter:blur(2px);background:rgba(255,252,248,0.9);min-height:70px;}.card:hover{transform:translateY(-3px) scale(1.01);box-shadow:0 12px 24px -8px rgba(200,130,70,0.2);border-color:#fbbd95;background:#fffcf7;}.card-number{font-size:1.5rem;font-weight:700;color:#ff7f5f;min-width:44px;text-align:center;background:#ffede3;padding:0.2rem 0;border-radius:40px;line-height:1.3;letter-spacing:-0.5px;box-shadow:inset 0 -2px 0 #fcc6a8;}.card-content{flex:1;display:flex;flex-direction:column;}.card-title{font-weight:700;font-size:1.04rem;color:#2f241e;line-height:1.3;display:flex;flex-wrap:wrap;align-items:baseline;}.card-title .chapter{font-weight:600;color:#b07f62;margin-right:6px;font-size:0.85rem;background:#f5e3d6;padding:0 8px;border-radius:30px;}.card-desc{font-size:0.78rem;color:#6f5547;margin-top:4px;display:flex;flex-wrap:wrap;gap:6px 10px;opacity:0.85;}.card-desc span{background:#f7ede6;padding:0 10px;border-radius:30px;white-space:nowrap;font-weight:500;color:#5f4235;}.card-link{text-decoration:none;color:inherit;display:flex;align-items:center;gap:12px;width:100%;}.card-link:visited .card-number{color:#b98c76;}.footer{margin-top:2.5rem;text-align:center;font-size:1rem;font-weight:500;color:#7a5f4e;border-top:2px dotted #f5cfb8;padding-top:1.8rem;letter-spacing:1px;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;}.footer span{background:#fce6d8;padding:0.2rem 1.8rem;border-radius:60px;box-shadow:inset 0 -2px 0 #ecc2aa;}@media (max-width:640px){body{padding:1rem 0.8rem;}.container{padding:1.2rem 1rem;}.header h1{font-size:1.8rem;}.course-grid{grid-template-columns:1fr;}.card{padding:0.8rem 0.8rem;}.card-number{min-width:36px;font-size:1.3rem;}}.card::before{content:"✨";font-size:0.9rem;opacity:0.3;margin-right:-4px;transition:0.2s;}.card:hover::before{opacity:0.8;content:"🌟";}.card:nth-child(odd) .card-number{background:#ffdfcc;}.card:nth-child(even) .card-number{background:#ffd0bd;}