.hero{background:var(--white) url(/assets/landing-page/Background%20pattern.png) center top /cover no-repeat;min-height:600px;position:relative}.hero-img-wrap{position:relative;width:100%;max-width:540px}.hero-img-bg{position:absolute!important;inset:-20px;z-index:0;opacity:.5;-o-object-fit:cover!important;object-fit:cover!important;pointer-events:none;width:calc(100% + 40px)!important;height:calc(100% + 40px)!important}.hero-img-main{position:relative;z-index:1;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.1);width:100%!important;max-width:100%!important;height:auto!important;display:block}.mockup-shadow{position:absolute;bottom:-30px;left:-5%;width:110%;height:auto;z-index:0;pointer-events:none}.course-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s}.course-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(28,43,70,.13)}.cc-thumb{height:120px;background:linear-gradient(135deg,#7c3aed,#ec4899);position:relative;overflow:hidden}.cc-body{padding:16px}.cc-author{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:#617490}.cc-author-dot{display:inline-block;width:6px;height:6px;background:#1ee0ac;border-radius:50%;flex-shrink:0}.cc-tag{font-size:11px;background:#f5f6fa;color:#617490;border-radius:4px;padding:2px 8px;white-space:nowrap}.cc-tag-mode{background:#ffe8e6;color:#e85347}.cc-title{font-size:13px;font-weight:700;color:#1c2b46;margin:0 0 6px;line-height:1.4}.cc-desc{font-size:12px;color:#617490;margin:0;line-height:1.5}.subject-tab{background:var(--white);color:#617490;border:1.5px solid var(--border);border-radius:999px;padding:7px 18px;font-size:13px;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap;font-family:inherit}.subject-tab:hover{background:var(--body-bg)}.subject-tab.active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}.subject-tab-explore{margin-left:auto;border:1.5px solid var(--brand);color:var(--brand);background:var(--white);border-radius:999px;padding:7px 20px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap;font-family:inherit;text-decoration:none;display:inline-flex;align-items:center}.subject-tab-explore:hover{background:var(--brand);color:#fff}@media (max-width:900px){.hero{padding-bottom:80px}}.landing-faq{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:10px}.landing-faq .accordion-item{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--white);transition:box-shadow .2s}.landing-faq .accordion-item.open{box-shadow:0 4px 16px rgba(28,43,70,.07)}.landing-faq .accordion-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;background:none;border:none;cursor:pointer;text-align:left;font-family:inherit;color:var(--base-dark);transition:background .15s}.landing-faq .accordion-head:hover{background:var(--body-bg)}.landing-faq .accordion-head .title{flex:1;font-size:15px;font-weight:600;line-height:1.4;color:var(--base-dark);margin:0}.landing-faq .accordion-item.open .accordion-head .title{color:var(--brand)}.landing-faq .accordion-icon{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--body-bg);border:1px solid var(--border);position:relative;transition:background .2s,transform .35s}.landing-faq .accordion-icon:after,.landing-faq .accordion-icon:before{content:"";position:absolute;background:var(--base-text);border-radius:2px;transition:transform .35s,opacity .25s}.landing-faq .accordion-icon:before{width:10px;height:2px;top:50%;left:50%;transform:translate(-50%,-50%)}.landing-faq .accordion-icon:after{width:2px;height:10px;top:50%;left:50%;transform:translate(-50%,-50%)}.landing-faq .accordion-item.open .accordion-icon{background:var(--brand);border-color:var(--brand)}.landing-faq .accordion-item.open .accordion-icon:before{background:var(--white)}.landing-faq .accordion-item.open .accordion-icon:after{background:var(--white);transform:translate(-50%,-50%) rotate(90deg);opacity:0}.landing-faq .accordion-inner{max-height:0;overflow:hidden;padding:0 20px;font-size:14px;line-height:1.7;color:var(--base-text);transition:max-height .35s ease,padding .2s ease}.landing-faq .accordion-item.open .accordion-inner{max-height:400px;padding:0 20px 18px}@media (max-width:768px){.landing-faq .accordion-head{padding:14px 16px}.landing-faq .accordion-head .title{font-size:14px}.landing-faq .accordion-inner{padding:0 16px}.landing-faq .accordion-item.open .accordion-inner{padding:0 16px 14px}}