@import"//at.alicdn.com/t/c/font_4796236_diefctj093t.css";html,body{margin:0;padding:0;font-size:14px;scrollbar-width:thin;-ms-overflow-style:none;font-family:-apple-system,BlinkMacSystemFont,SF Pro SC,SF Pro Text,Helvetica Neue,Helvetica,PingFang SC,Segoe UI,Roboto,Hiragino Sans GB,Arial,Microsoft YaHei UI,Microsoft YaHei,SimSun,sans-serif;color:#333;line-height:1.6}::-webkit-scrollbar{width:2px}ul{list-style-type:none}a{text-decoration:none;color:unset}.white{color:#fff!important}.bg-default{background-image:url(/img/bg-wave.svg);background-position:top -3rem center;background-repeat:no-repeat;background-size:100%}.banner-promo{position:relative;width:100%;color:#fff;background-color:#cf010e;text-align:center;padding:10px 30px}.slogans{position:relative;height:660px;background-color:transparent!important;background-repeat:no-repeat;background-image:url(/img/bg-swoosh.svg),url(/img/bg-hero.png);background-position:bottom -2px center,bottom 1.5rem right 4rem;background-size:100% auto,50%;color:#fff!important}.slogans .landing{text-align:left;padding-top:5rem;padding-left:2rem!important;font-weight:400}.landing .slogan{position:relative;width:51%;text-align:center}.slogan h1{font-size:2.2rem;font-weight:400}.slogan h2{margin-bottom:2rem;font-size:18px;line-height:1.5}.slogan p{margin-top:16px;font-size:12px}.slogan .cta-button{background-color:#ff8d1a;font-size:1.1rem;font-weight:600;color:#fff;padding:.85em 1em;border:1px solid transparent;border-radius:5px;width:215px;transition:background-color .25s ease-out,color .25s ease-out}.container .main{position:relative;height:auto}.main .adverts{position:relative;display:flex;height:120px;gap:51px;top:-51px;margin:0 auto;z-index:2}.adverts .advert{flex:1;cursor:pointer;box-shadow:0 2px 4px #0000001a;padding:14px;transition:transform .3s ease;height:166px;background-image:url(/img/amoeba.png);background-repeat:no-repeat;background-position:100%;background-size:cover;border-radius:8px;box-shadow:0 10px 1rem #00000029;color:#fff;padding:1rem 2rem 2rem;position:relative;text-align:left}.advert.beginner{background-color:#27c0c9}.advert.intermediate{background-color:#b448ba}.advert.advanced{background-color:#5076ff}.advert:hover{transform:translateY(-8px)}.advert .content{display:block;width:50%;height:100%;min-height:inherit}.advert .logo{height:1.25rem;display:block;margin-bottom:1rem}.advert .logo img{height:inherit}.advert .title{color:inherit;display:block;font-size:1.3rem!important;font-weight:700!important;margin-bottom:.5em!important;font-family:PingFang SC,Microsoft YaHei,Hiragino Sans GB,Source Han Sans CN,sans-serif;letter-spacing:.5px;line-height:1.4}.advert .summary{display:block;font-size:.95rem!important;margin-top:0!important;margin-bottom:0!important;padding-right:14%;font-family:PingFang SC,Microsoft YaHei,Hiragino Sans GB,Source Han Sans CN,sans-serif;line-height:1.6;letter-spacing:.3px;opacity:.95;font-weight:400}.advert .media{position:absolute;top:50%;right:-.5rem;pointer-events:none;transform:translateY(-50%);width:48%}.courses-level{padding-top:51px}.course-level{background-color:#fff;border-radius:20px;border-top:170px solid transparent;box-shadow:0 3px 6px #00000029;position:relative;margin:2rem auto 0;max-width:100%;padding-bottom:20px;text-align:center;font-size:16px;width:350px}.course-level.beginner{border-color:#7561a7}.course-level.intermediate{border-color:#62b14c}.course-level.advanced{border-color:#de6f46}.course-level .thumbnail{display:inline-block;height:170px;margin:-130px 0 30px}.course-level h4{font-style:normal;font-size:1.125rem;color:#25293a;font-weight:300}.course-level .list{line-height:2;color:#0a0a0a;font-weight:500;text-align:center}.course-level.clickable{cursor:pointer;transition:transform .3s ease,box-shadow .3s ease}.course-level.clickable:hover{transform:translateY(-8px);box-shadow:0 8px 16px #0000003d}.course-level.coming-soon{position:relative;cursor:pointer;opacity:.85;transition:opacity .3s ease}.course-level.coming-soon:hover{opacity:1}.course-level.coming-soon:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-color:#ffffff4d;border-radius:20px;pointer-events:none}.coming-soon-badge{position:absolute;top:20px;right:20px;background-color:#ff8d1a;color:#fff;padding:8px 16px;border-radius:20px;font-size:14px;font-weight:600;box-shadow:0 2px 8px #ff8d1a66;z-index:10}.explore-button{color:#fefefe;background-color:#ff8d1a;min-width:11rem;margin-top:1.5rem}.courses{position:relative;padding-top:51px}.courses .title{position:relative;width:100%;font-size:36px}.courses .course-card{display:grid;grid-template-columns:repeat(3,1fr);gap:44px;padding-top:51px;padding-bottom:51px}.course-card .text-with-vertical-line{position:relative}.course-card .text-with-vertical-line:before{content:"";position:absolute;left:-7px;width:3px;height:70%;top:12%;background-color:#d7261f}.course-card .course{height:268px;background:#fff;cursor:pointer;overflow:hidden;border-radius:18px;padding:4px;box-shadow:0 3px 6px #00000029}.course-card .course:hover{transform:scale(1.1);transition:transform .3s ease}.course-card .course img{width:100%;border-radius:4px;max-height:166px;height:auto}.course-card .course .info{padding:12px}.course-card .course .info .name{font-size:14px;margin-left:8px;margin-bottom:8px;color:#2d2d2d}.course-card .course .info .desc{display:-webkit-box;height:44px;margin-top:8px;margin-bottom:14px;overflow:hidden;color:#666;font-size:13px;line-height:22px;text-overflow:ellipsis;word-break:break-all;-webkit-box-orient:vertical}.link-blue{padding-bottom:2rem;padding-top:2rem;background-color:#2876c5}.link-blue img{max-height:90px;display:inline-block;vertical-align:middle;max-width:100%;max-height:58px;-ms-interpolation-mode:bicubic}html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.banner-promo{background:linear-gradient(135deg,#cf010e,#a00108);box-shadow:0 2px 8px #cf010e4d;animation:slideDown .5s ease-out}.banner-promo h4{margin:0;font-weight:500;letter-spacing:.5px}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.slogans{position:relative;overflow:hidden}.slogans:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#667eea0d,#764ba20d);pointer-events:none}.slogan{animation:fadeInUp .8s ease-out}.slogan h1{text-shadow:0 2px 10px rgba(0,0,0,.1);animation:fadeInUp .8s ease-out .2s both}.slogan h2{animation:fadeInUp .8s ease-out .4s both}.slogan .cta-button{border:none;border-radius:50px;padding:14px 40px;font-weight:600;color:#fff;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #ff8d1a66;animation:fadeInUp .8s ease-out .6s both;position:relative;overflow:hidden}.slogan .cta-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.slogan .cta-button:hover:before{width:300px;height:300px}.slogan .cta-button:hover{transform:translateY(-3px);box-shadow:0 8px 25px #ff8d1a80}.slogan .cta-button:active{transform:translateY(-1px)}.main .adverts{position:relative;display:flex;gap:24px;top:-51px;margin:0 auto;z-index:2;padding:0 20px}.adverts .advert{flex:1;border-radius:16px;box-shadow:0 4px 20px #0000001a;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;animation:fadeInScale .6s ease-out both;overflow:visible;height:166px}.advert:nth-child(1){animation-delay:.1s}.advert:nth-child(2){animation-delay:.2s}.advert:nth-child(3){animation-delay:.3s}@keyframes fadeInScale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.adverts .advert:hover{transform:translateY(-8px);box-shadow:0 16px 50px #0003}.adverts .advert .content{position:relative;z-index:10;display:block;width:50%;height:100%}.adverts .advert .logo{position:relative;z-index:10}.adverts .advert .logo img{filter:drop-shadow(0 2px 8px rgba(0,0,0,.2));transition:transform .3s ease}.adverts .advert:hover .logo img{transform:scale(1.1)}.adverts .advert .title{position:relative;z-index:10;text-shadow:0 2px 8px rgba(0,0,0,.1);transition:all .3s ease}.adverts .advert .summary{position:relative;z-index:10;text-shadow:0 1px 4px rgba(0,0,0,.08);transition:all .3s ease}.adverts .advert:hover .title{transform:translate(3px);text-shadow:0 3px 12px rgba(0,0,0,.15)}.adverts .advert:hover .summary{transform:translate(3px);opacity:1}.adverts .advert .media{position:absolute;right:0;bottom:0;transition:transform .4s ease;z-index:1;pointer-events:none}.adverts .advert:hover .media{transform:translateY(-50%) scale(1.08)}.courses-level{padding:60px 20px 10px;background:linear-gradient(180deg,#fafbff,#f5f7fa);position:relative}.courses-level:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(102,126,234,.2) 50%,transparent 100%)}.courses-level.container,.courses-level .container{max-width:1400px;margin:0 auto;padding:0 20px}.courses-level .text-center{text-align:center;max-width:800px;margin:0 auto 50px}.courses-level .text-center h2{font-size:42px;font-weight:800;margin-bottom:16px;margin-top:40px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeInUp .6s ease-out;letter-spacing:-.5px}.courses-level .text-center p{font-size:16px;color:#64748b;margin-bottom:0;line-height:1.6;animation:fadeInUp .6s ease-out .2s both}.courses-level .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px;margin:0 auto 40px;max-width:1400px}.course-level{background:#fff;border-radius:16px;padding:24px;box-shadow:0 4px 20px #00000014;transition:all .3s ease;height:100%}.course-level:hover{transform:translateY(-6px);box-shadow:0 12px 40px #0000001f}.course-level .thumbnail{width:100%;border-radius:12px;margin-bottom:16px;transition:transform .3s ease}.course-level:hover .thumbnail{transform:scale(1.02)}.course-level .list{padding:0;margin:0;flex:1;display:flex;flex-direction:column}.course-level h3{color:#1e293b;margin:0 0 6px;font-size:22px;font-weight:700;line-height:1.3}.course-level h4{color:#64748b;font-weight:500;font-size:13px;margin:0 0 16px;line-height:1.4}.course-level .list li{padding:8px 0 8px 28px;position:relative;color:#475569;line-height:1.5;font-size:14px;transition:all .2s ease}.course-level .list li:before{content:"✓";position:absolute;left:0;top:8px;width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:700;font-size:11px;transition:all .3s ease}.course-level.beginner .list li:before{color:#8b5cf6;background:#8b5cf61a}.course-level.intermediate .list li:before{color:#10b981;background:#10b9811a}.course-level.advanced .list li:before{color:#f97316;background:#f973161a}.course-level:hover .list li:before{transform:scale(1.15)}.course-level .list li:hover{padding-left:32px;color:#1e293b}.explore-button{display:inline-flex;align-items:center;gap:12px;padding:18px 50px;font-size:16px;font-weight:700;letter-spacing:.5px;position:relative;overflow:visible;border-radius:60px;transition:all .4s cubic-bezier(.4,0,.2,1)}.explore-button{animation:fadeInUp .6s ease-out .4s both;background:linear-gradient(135deg,#ff8d1a,#ff6b1a);box-shadow:0 6px 20px #ff8d1a59}.explore-button:before{content:"";position:absolute;top:50%;left:50%;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,255,255,.25) 0%,transparent 100%);transform:translate(-50%,-50%) scale(0);border-radius:60px;transition:transform .5s cubic-bezier(.4,0,.2,1)}.explore-button:hover:before{transform:translate(-50%,-50%) scale(1.8)}.explore-button:after{content:"→";font-size:22px;transition:transform .4s cubic-bezier(.4,0,.2,1);font-weight:700}.explore-button:hover:after{transform:translate(8px)}.explore-button:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 12px 35px #ff8d1a80}.explore-button:active{transform:translateY(-2px) scale(1.01)}.btn{border-radius:60px;padding:18px 40px;font-weight:700;font-size:16px;border:none;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);display:inline-block;text-decoration:none;position:relative;overflow:hidden;letter-spacing:.3px}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff40;transform:translate(-50%,-50%);transition:width .6s ease,height .6s ease}.btn:hover:before{width:400px;height:400px}.btn-warning{background:linear-gradient(135deg,#ff8d1a,#ff6b1a);color:#fff;box-shadow:0 6px 20px #ff8d1a59}.btn-warning:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 12px 35px #ff8d1a80}.btn-warning:active{transform:translateY(-2px) scale(1.01)}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 6px 20px #667eea59}.btn-primary:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 12px 35px #667eea80}.btn-primary:active{transform:translateY(-2px) scale(1.01)}.courses{padding:60px 20px 50px;background:linear-gradient(180deg,#fff,#fafbff);border-radius:0;margin:0;position:relative}.courses:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(102,126,234,.2) 50%,transparent 100%)}.courses.container{max-width:1400px;margin:0 auto;padding:60px 20px 50px}.courses .text-center{text-align:center;max-width:800px;margin:0 auto 50px}.courses .text-center h2{font-size:42px;font-weight:800;margin-bottom:16px;color:#1e293b;animation:fadeInUp .6s ease-out;letter-spacing:-.5px}.courses .text-center p{font-size:16px;color:#64748b;margin-bottom:0;line-height:1.6;animation:fadeInUp .6s ease-out .2s both}.course-card{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px;margin:0 auto 40px;max-width:1400px;padding:0 20px}.course{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 8px 30px #00000014;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;animation:fadeInScale .6s ease-out both;width:100%}.course:nth-child(1){animation-delay:.1s}.course:nth-child(2){animation-delay:.2s}.course:nth-child(3){animation-delay:.3s}.course:nth-child(4){animation-delay:.4s}.course:nth-child(5){animation-delay:.5s}.course:nth-child(6){animation-delay:.6s}.course:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#667eea1a,#764ba21a);opacity:0;transition:opacity .3s ease;z-index:1}.course:hover:before{opacity:1}.course:hover{transform:translateY(-12px);box-shadow:0 20px 50px #00000026}.course img{width:100%;height:220px;object-fit:cover;transition:transform .5s ease;display:block;background:linear-gradient(135deg,#f0f0f0,#e0e0e0)}.course:hover img{transform:scale(1.1)}.course .info{padding:24px;position:relative;z-index:2;background:#fff}.course .name{font-size:20px;font-weight:700;color:#1e293b;margin-bottom:12px;padding-left:14px;border-left:4px solid #667eea;line-height:1.4;transition:all .3s ease}.course:hover .name{padding-left:18px;color:#667eea}.course .desc{font-size:14px;color:#64748b;line-height:1.6;display:flex;align-items:center;gap:6px}.course .desc:before{content:"📚";font-size:16px}.link-blue{background:linear-gradient(135deg,#667eea,#764ba2);padding:51px 20px;position:relative;overflow:hidden}.link-blue:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 30s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.link-blue .col{position:relative;z-index:1}.link-blue img{max-width:150px;height:auto;filter:brightness(0) invert(1);opacity:.8;transition:all .3s ease}.link-blue img:hover{opacity:1;transform:scale(1.1)}@media (max-width: 1024px) and (min-width: 769px){.courses-level .text-center h2{font-size:36px;margin-top:40px}.main .adverts{gap:20px;padding:0 15px}.adverts .advert{height:150px}}@media (max-width: 768px){.slogans{height:auto;padding-bottom:40px}.landing .slogan{width:100%;padding:20px}.slogan h1{font-size:1.8rem}.adverts,.course-card{grid-template-columns:1fr}.courses-level .text-center h2{font-size:28px;margin-top:40px}.main .adverts{flex-direction:column;height:auto;gap:20px}.adverts .advert{height:140px}}@media (max-width: 480px){.courses-level .text-center h2{font-size:24px;margin-top:40px}.courses-level .text-center p{font-size:14px}}.text-with-vertical-line{position:relative}::selection{background:#667eea4d;color:#1e293b}::-moz-selection{background:#667eea4d;color:#1e293b}body{background:linear-gradient(180deg,#fff,#f8f9ff,#fff);background-attachment:fixed;min-height:100vh}.container-full.bg-purple{background-color:#7f4eef;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#7f4eef,#6e52f4)}.container-full.bg-pink{background-color:#ec4899;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#f472b6,#ec4899)}.container-full.bg-orange{background-color:#f59e0b;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#fbbf24,#f59e0b)}.container-full.bg-blue{background-color:#3b82f6;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#60a5fa,#3b82f6)}.container-full.bg-green{background-color:#10b981;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#34d399,#10b981)}.container-full.bg-teal{background-color:#14b8a6;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#2dd4bf,#14b8a6)}.container-full.bg-cyan{background-color:#06b6d4;background-image:linear-gradient(180deg,rgba(0,0,0,.25),transparent 15%),linear-gradient(0deg,#22d3ee,#06b6d4)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.page-header{position:relative;height:460px;background-color:transparent!important;background-repeat:no-repeat;background-image:url(/img/courses/swoosh-lower-white-symmetric-colored.svg);background-position:top 100% center;background-size:150% auto;color:#fff!important;overflow:visible}.page-header .container{position:relative;padding-top:80px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.page-header-content{text-align:left}.page-title{font-size:2.5rem;font-weight:700;margin:0 0 20px;line-height:1.2;color:#fff}.page-subtitle{font-size:1.05rem;margin:0 0 28px;opacity:.95;font-weight:400;color:#fff;line-height:1.6}.page-header-image{position:absolute;bottom:0;right:16%;text-align:center}.page-header-image img{max-width:440px;height:auto}.page-header.center-layout .container{grid-template-columns:1fr;max-width:900px}.page-header.center-layout .page-header-content{text-align:center}.page-header.center-layout .page-header-image{display:none}@media (max-width: 992px){.page-header{height:auto;min-height:400px;background-size:100% auto}.page-header .container{grid-template-columns:1fr;gap:40px;padding-top:60px;padding-bottom:100px}.page-header-content{text-align:center}.page-header-image{position:relative;right:auto;bottom:auto;margin:0 auto}.page-header-image img{max-width:100%}.page-title{font-size:2rem}.page-subtitle{font-size:1rem}}@media (max-width: 576px){.page-header .container{padding-top:40px;padding-bottom:80px}.page-title{font-size:1.75rem}.page-subtitle{font-size:.95rem}}.section{padding:80px 0;background:transparent;position:relative}.section.bg-light{background:#f8f9ff80}.section-title{font-size:36px;font-weight:700;text-align:center;margin:0 0 48px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;padding-bottom:20px}.section-title:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:60px;height:4px;background:linear-gradient(90deg,#667eea,#764ba2);border-radius:2px}.card,.course-card,.contest-card,.resource-card,.work-card{background:#fff;border-radius:20px;box-shadow:0 4px 20px #0000000f;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;border:1px solid rgba(0,0,0,.04);animation:fadeInUp .6s ease-out backwards}.card:nth-child(1),.course-card:nth-child(1){animation-delay:.1s}.card:nth-child(2),.course-card:nth-child(2){animation-delay:.2s}.card:nth-child(3),.course-card:nth-child(3){animation-delay:.3s}.card:nth-child(4),.course-card:nth-child(4){animation-delay:.4s}.card:nth-child(5),.course-card:nth-child(5){animation-delay:.5s}.card:nth-child(6),.course-card:nth-child(6){animation-delay:.6s}.card:hover,.course-card:hover,.contest-card:hover,.resource-card:hover,.work-card:hover{transform:translateY(-12px) scale(1.02);box-shadow:0 20px 60px #00000026;border-color:#667eea33}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.btn,.btn-primary,.btn-secondary{display:inline-block;padding:12px 32px;border-radius:24px;font-size:16px;font-weight:600;text-align:center;text-decoration:none;border:none;cursor:pointer;transition:all .3s ease}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#fff;color:#667eea;border:2px solid #667eea}.btn-secondary:hover{background:#667eea;color:#fff}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}@media (max-width: 1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.page-title{font-size:36px}.page-subtitle{font-size:16px}.section-title{font-size:28px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:40px 0}}.tag,.badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600}.tag{background:#e3f2fd;color:#1976d2}.badge{background:#ffc107;color:#fff}.progress-bar{height:8px;background:#e0e0e0;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .3s ease}.form-input,.form-textarea,.form-select{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .3s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:#667eea}.form-textarea{min-height:120px;resize:vertical}img{max-width:100%;height:auto;display:block}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.pt-1{padding-top:8px}.pt-2{padding-top:16px}.pt-3{padding-top:24px}.pt-4{padding-top:32px}.pb-1{padding-bottom:8px}.pb-2{padding-bottom:16px}.pb-3{padding-bottom:24px}.pb-4{padding-bottom:32px}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .6s ease}.section-title{animation:fadeInDown .8s ease-out}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.intro-card{animation:fadeInScale .8s ease-out}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.intro-card{background:#fff;border:2px solid rgba(102,126,234,.1);border-radius:28px;padding:56px;box-shadow:0 10px 40px #00000014;position:relative;overflow:hidden}.intro-card:before{content:"";position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:radial-gradient(circle,rgba(102,126,234,.15) 0%,transparent 70%);border-radius:50%;pointer-events:none;animation:float 6s ease-in-out infinite}.intro-card:after{content:"";position:absolute;bottom:-80px;left:-80px;width:250px;height:250px;background:radial-gradient(circle,rgba(118,75,162,.12) 0%,transparent 70%);border-radius:50%;pointer-events:none;animation:floatReverse 8s ease-in-out infinite}.intro-card h2{color:#2d3748;font-size:34px;font-weight:700;margin-bottom:24px;position:relative;z-index:1}.intro-card p{color:#4a5568;font-size:17px;line-height:1.9;position:relative;z-index:1}.feature-item,.feature-card{background:#fff;border-radius:24px;padding:40px;text-align:center;box-shadow:0 8px 30px #00000014;transition:all .4s cubic-bezier(.175,.885,.32,1.275);border:2px solid rgba(102,126,234,.1);position:relative;overflow:hidden;animation:fadeInUp .6s ease-out backwards}.feature-item:nth-child(1),.feature-card:nth-child(1){animation-delay:.1s}.feature-item:nth-child(2),.feature-card:nth-child(2){animation-delay:.2s}.feature-item:nth-child(3),.feature-card:nth-child(3){animation-delay:.3s}.feature-item:nth-child(4),.feature-card:nth-child(4){animation-delay:.4s}.feature-item:before,.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);transform:scaleX(0);transform-origin:left;transition:transform .5s ease}.feature-item:after,.feature-card:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:radial-gradient(circle,rgba(102,126,234,.1) 0%,transparent 70%);transform:translate(-50%,-50%);transition:width .6s ease,height .6s ease}.feature-item:hover,.feature-card:hover{transform:translateY(-12px) scale(1.02);box-shadow:0 20px 60px #667eea40;border-color:#667eea4d}.feature-item:hover:before,.feature-card:hover:before{transform:scaleX(1)}.feature-item:hover:after,.feature-card:hover:after{width:300px;height:300px}.goal-card{background:#fff;border-radius:20px;padding:36px;text-align:center;box-shadow:0 4px 20px #0000000f;transition:all .3s ease;border:2px solid transparent;animation:fadeInUp .6s ease-out backwards}.goal-card:nth-child(1){animation-delay:.1s}.goal-card:nth-child(2){animation-delay:.2s}.goal-card:nth-child(3){animation-delay:.3s}.goal-card:nth-child(4){animation-delay:.4s}.goal-card:hover{transform:translateY(-12px) scale(1.05);box-shadow:0 16px 50px #667eea33;border-color:#667eea4d}.goal-icon{font-size:64px;margin-bottom:20px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.course-card{position:relative;background:#fff;border-radius:20px;padding:32px;box-shadow:0 4px 20px #0000000f;transition:all .3s ease;border:2px solid transparent}.course-card:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;border-radius:20px;background:linear-gradient(135deg,#667eea0d,#764ba20d);opacity:0;transition:opacity .3s ease;pointer-events:none}.course-card:hover:after{opacity:1}.work-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 4px 20px #0000000f;transition:all .3s ease}.work-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px #0000001f}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 15px #667eea4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.tag{background:linear-gradient(135deg,#e3f2fd,#f3e5f5);color:#5e35b1;padding:6px 14px;border-radius:16px;font-size:13px;font-weight:600;border:1px solid rgba(94,53,177,.1)}.difficulty{padding:6px 14px;border-radius:16px;font-size:13px;font-weight:600;border:1px solid}.difficulty.easy{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);color:#2e7d32;border-color:#2e7d3233}.difficulty.medium{background:linear-gradient(135deg,#fff3e0,#ffe0b2);color:#e65100;border-color:#e6510033}.difficulty.hard{background:linear-gradient(135deg,#ffebee,#ffcdd2);color:#c62828;border-color:#c6282833}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(5deg)}}@keyframes floatReverse{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(20px) rotate(-5deg)}}body:before{content:"";position:fixed;top:20%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(102,126,234,.06) 0%,transparent 70%);border-radius:50%;pointer-events:none;z-index:0;animation:float 15s ease-in-out infinite}body:after{content:"";position:fixed;bottom:10%;right:-10%;width:700px;height:700px;background:radial-gradient(circle,rgba(118,75,162,.05) 0%,transparent 70%);border-radius:50%;pointer-events:none;z-index:0;animation:floatReverse 20s ease-in-out infinite}.container-full,.container{position:relative;z-index:1}header,.header,.nav,.menu,.submenu,.menu-item-wrapper{position:relative;z-index:1000!important}.submenu,.sub_menu,.dropdown-menu{z-index:1001!important}*{box-sizing:border-box;-webkit-box-sizing:border-box;-moz-box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}.d-flex,.flex,.flex-row,.flex-column{display:-webkit-box;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex}.flex-row{-webkit-box-orient:horizontal;-webkit-box-direction:normal;-webkit-flex-direction:row;-moz-box-orient:horizontal;-moz-box-direction:normal;-ms-flex-direction:row;flex-direction:row}.flex-column{-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;-moz-box-orient:vertical;-moz-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.justify-content-between{-webkit-box-pack:justify;-webkit-justify-content:space-between;-moz-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.justify-content-center{-webkit-box-pack:center;-webkit-justify-content:center;-moz-box-pack:center;-ms-flex-pack:center;justify-content:center}.align-items-center{-webkit-box-align:center;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center}@supports not (display: grid){.grid-2,.grid-3,.grid-4,[class*=grid]{display:-webkit-box;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap}.grid-2>*{width:calc(50% - 12px);margin:6px}.grid-3>*{width:calc(33.333% - 16px);margin:8px}.grid-4>*{width:calc(25% - 18px);margin:9px}}.transform-scale{-webkit-transform:scale(1.05);-moz-transform:scale(1.05);-ms-transform:scale(1.05);-o-transform:scale(1.05);transform:scale(1.05)}.transition-all{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}.rounded{-webkit-border-radius:8px;-moz-border-radius:8px;border-radius:8px}.rounded-lg{-webkit-border-radius:16px;-moz-border-radius:16px;border-radius:16px}.shadow{-webkit-box-shadow:0 4px 20px rgba(0,0,0,.08);-moz-box-shadow:0 4px 20px rgba(0,0,0,.08);box-shadow:0 4px 20px #00000014}a,button,input,select,textarea{-webkit-tap-highlight-color:rgba(0,0,0,.1);-webkit-touch-callout:none}button,input[type=submit],input[type=button]{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.no-select{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}@media (max-width: 768px){body{font-size:14px;line-height:1.6}h1{font-size:28px}h2{font-size:24px}h3{font-size:20px}h4{font-size:18px}}@media (max-width: 575.98px){.container{padding:0 15px;max-width:100%}.page-header{padding:40px 0}.page-title{font-size:28px!important;line-height:1.3}.page-subtitle{font-size:14px!important}.section{padding:40px 0!important}.section-title{font-size:24px!important;margin-bottom:24px!important}.hide-mobile{display:none!important}.btn,.btn-primary,.btn-secondary{width:100%;padding:14px 20px;font-size:16px}.card,.course-card,.contest-card{margin-bottom:16px}.form-input,.form-textarea,.form-select{font-size:16px}}@media (min-width: 576px) and (max-width: 767.98px){.container{max-width:540px;padding:0 20px}.page-title{font-size:32px!important}.section-title{font-size:28px!important}}@media (min-width: 768px) and (max-width: 991.98px){.container{max-width:720px}.page-title{font-size:36px!important}.section-title{font-size:30px!important}.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)!important}}@media (min-width: 992px) and (max-width: 1199.98px){.container{max-width:960px}}@media (min-width: 1200px){.container{max-width:1140px}}@media (min-width: 1400px){.container{max-width:1320px}}@media (max-width: 991.98px){.header{height:auto!important;padding:10px 0}.header .logo{margin-top:0!important}.header .logo img{height:48px!important}.menus{width:100%}.menu{flex-direction:column;width:100%}.menu-item-wrapper{width:100%}.menu-item{width:100%;height:auto!important;line-height:1.5!important;padding:12px 16px!important;text-align:left!important}.submenu{position:static!important;width:100%!important;box-shadow:none!important;border-radius:0!important;background:#fffffff2!important;margin-top:0!important}.submenu-item{padding-left:32px!important}.login-language-wrapper{flex-direction:column;width:100%;margin-left:0!important;gap:8px}.btn-outline-primary,.language .btn{width:100%!important;margin-left:0!important}}@media (max-width: 767.98px){.banner-promo{padding:8px 15px;font-size:13px}.slogans{height:auto!important;min-height:400px;background-size:100% auto,80%!important;background-position:bottom center,bottom right center!important}.landing .slogan{width:100%!important;padding:20px}.slogan h1{font-size:1.5rem!important}.slogan h2{font-size:14px!important}.slogan .cta-button{width:100%;font-size:1rem!important}.adverts{flex-direction:column!important;gap:20px!important;top:-20px!important}.advert{height:auto!important;min-height:150px}.advert .content{width:60%!important}.advert .media{width:38%!important}.courses-level .row{flex-direction:column}.course-level{width:100%!important;max-width:100%!important;margin:1rem 0!important}.course-card{grid-template-columns:1fr!important;gap:20px!important;padding-top:20px!important;padding-bottom:20px!important}.link-blue .row{flex-direction:column;gap:20px}.link-blue .col{width:100%;margin-bottom:15px}.link-blue img{max-height:50px!important}}@media (min-width: 768px) and (max-width: 1024px){.course-card{grid-template-columns:repeat(2,1fr)!important}.adverts{gap:30px!important}.menu-item{min-width:80px!important;padding:0 12px!important;font-size:14px!important}}@media print{.header,.footer,.banner-promo,.btn,button{display:none!important}.container{max-width:100%!important}.page-header{background:none!important;color:#000!important}}@media (max-width: 767.98px) and (orientation: landscape){.page-header{padding:30px 0}.slogans{min-height:300px}.section{padding:30px 0!important}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:2px solid #667eea;outline-offset:2px}.skip-to-content{position:absolute;top:-40px;left:0;background:#667eea;color:#fff;padding:8px;text-decoration:none;z-index:100}.skip-to-content:focus{top:0}.gpu-accelerated{-webkit-transform:translateZ(0);-moz-transform:translateZ(0);-ms-transform:translateZ(0);-o-transform:translateZ(0);transform:translateZ(0);-webkit-backface-visibility:hidden;-moz-backface-visibility:hidden;-ms-backface-visibility:hidden;backface-visibility:hidden}img[loading=lazy]{background:#f0f0f0}@media screen and (-ms-high-contrast: active),(-ms-high-contrast: none){.flex{display:-ms-flexbox}img{max-width:100%;height:auto}}@supports (-webkit-appearance: none){input[type=search]{-webkit-appearance:textfield}input[type=search]::-webkit-search-decoration,input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}}@-moz-document url-prefix(){.menu-item{line-height:58px}}@media (max-width: 991.98px){.bg-default{background-image:url(/img/bg-wave.svg);background-position:top center;background-repeat:no-repeat;background-size:100% auto;background-color:#2876c5;min-height:100vh}body{background-color:#f5f5f5}}@media (max-width: 575.98px){.bg-default{background-size:cover;background-position:top center}}html,body,#app{position:absolute;padding:0;margin:0;width:100%;height:100%}