*{margin:0;padding:0;box-sizing:border-box}
body{background:#F7F7F5;font-family:'Inter',system-ui,sans-serif;color:#101828;max-width:430px;margin:0 auto;min-height:100vh}
.sora,h1,h2,h3,h4{font-family:'Sora',sans-serif}
.app{padding:26px 20px 96px}
.view{animation:fade .28s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.brand{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#667085;font-weight:600}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#16A34A,#0D9488);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:'Sora'}
.hello{font-size:14px;color:#667085}
h1{font-size:29px;font-weight:800;line-height:1.15;margin:4px 0 20px}
.chips{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.chip{background:#fff;border-radius:999px;padding:8px 15px;font-size:12.5px;font-weight:600;box-shadow:0 1px 3px rgba(16,24,40,.06);display:flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.hero{background:#101828;color:#fff;border-radius:24px;padding:22px;margin-bottom:28px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-44px;top:-44px;width:140px;height:140px;border-radius:50%;background:rgba(22,163,74,.32)}
.eyebrow{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#86EFAC;font-weight:600;margin-bottom:7px}
.hero h2{font-size:21px;font-weight:700;margin-bottom:3px}
.hero .sub{font-size:13px;color:#D0D5DD;margin-bottom:16px}
.bar{height:7px;background:rgba(255,255,255,.18);border-radius:99px;margin-bottom:10px;overflow:hidden}
.bar i{display:block;height:100%;background:#4ADE80;border-radius:99px;transition:width .6s ease}
.hero .meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#D0D5DD;position:relative;z-index:1}
.btn{display:inline-block;background:#16A34A;color:#fff;font-weight:600;font-size:13.5px;padding:11px 22px;border-radius:999px;border:0;text-decoration:none;cursor:pointer;font-family:'Inter'}
.btn.white{background:#fff;color:#101828}
.btn.ghost{background:#F2F4F7;color:#101828}
.btn:disabled{opacity:.4}
.btn.big{display:block;text-align:center;padding:14px;font-size:15px}
.section{display:flex;justify-content:space-between;align-items:baseline;margin:4px 2px 14px}
.section h3{font-size:18px;font-weight:700}
.section span{font-size:12.5px;color:#667085}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.card{background:#fff;border-radius:20px;padding:17px 15px;box-shadow:0 1px 3px rgba(16,24,40,.05);text-decoration:none;color:inherit;display:block;transition:transform .15s ease}
.card:active{transform:scale(.97)}
.card.locked{opacity:.55}
.icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;font-family:'Sora';margin-bottom:13px}
.card h4{font-family:'Sora';font-size:15px;font-weight:700;margin-bottom:2px}
.card .book{font-size:11.5px;color:#667085;margin-bottom:11px;line-height:1.35;min-height:30px}
.tag{font-size:10.5px;font-weight:600;padding:4px 10px;border-radius:99px;display:inline-block}
.now{background:#DCFCE7;color:#15803D}
.done{background:#101828;color:#fff}
.lock{background:#F2F4F7;color:#98A2B3}
.tabbar{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:390px;background:#fff;border-radius:999px;box-shadow:0 4px 18px rgba(16,24,40,.10);display:flex;z-index:50}
.tabbar a{flex:1;text-align:center;padding:13px 0;font-size:12px;font-weight:600;color:#98A2B3;text-decoration:none}
.tabbar a.on{color:#16A34A}
.back{display:inline-block;font-size:13px;font-weight:600;color:#16A34A;text-decoration:none;margin-bottom:14px}
.modhead{border-radius:22px;padding:22px;color:#fff;margin-bottom:18px;background:#101828}
.modhead .num{font-size:11px;letter-spacing:.14em;opacity:.7;font-weight:700}
.modhead h2{font-size:24px;margin:4px 0 2px}
.modhead .sub{font-size:13px;opacity:.85}
.video{border-radius:18px;overflow:hidden;background:#000;margin-bottom:12px;position:relative;padding-top:56.25%}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vtitle{font-size:12px;color:#667085;margin:-6px 0 12px 4px}
.lrow{display:flex;align-items:center;gap:13px;background:#fff;border-radius:16px;padding:14px 15px;margin-bottom:10px;text-decoration:none;color:inherit;box-shadow:0 1px 2px rgba(16,24,40,.05)}
.lrow .n{width:32px;height:32px;border-radius:10px;background:#F2F4F7;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;font-family:'Sora';flex-shrink:0}
.lrow .n.ok{background:#DCFCE7;color:#15803D}
.lrow h4{font-size:14px;font-weight:600;flex:1}
.lrow .ck{font-size:11px;color:#98A2B3}
.practice{background:linear-gradient(135deg,#ECFDF5,#D1FAE5);border:1px solid #A7F3D0;border-radius:18px;padding:16px;margin:16px 0}
.practice h4{font-size:14px;margin-bottom:4px}
.practice p{font-size:12.5px;color:#047857;margin-bottom:12px;line-height:1.45}
.lesson-body p{font-size:15px;line-height:1.65;margin-bottom:14px;color:#1F2937;white-space:pre-line}
.lesson-body{margin:18px 0}
.qcard{background:#fff;border-radius:20px;padding:22px 18px;box-shadow:0 1px 3px rgba(16,24,40,.06)}
.qnum{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#667085;font-weight:600;margin-bottom:8px}
.qq{font-size:16.5px;font-weight:600;font-family:'Sora';line-height:1.4;margin-bottom:18px}
.opt{display:block;width:100%;text-align:left;background:#F7F7F5;border:2px solid transparent;border-radius:14px;padding:13px 15px;font-size:14px;margin-bottom:9px;cursor:pointer;font-family:'Inter';color:#101828;transition:all .15s}
.opt:active{transform:scale(.98)}
.opt.right{background:#DCFCE7;border-color:#16A34A;font-weight:600}
.opt.wrong{background:#FEE2E2;border-color:#DC2626}
.score{text-align:center;padding:30px 10px}
.score .big{font-size:52px;font-weight:800;font-family:'Sora'}
.score p{color:#667085;font-size:14px;margin:10px 0 22px}
.cert{background:linear-gradient(160deg,#FFFBEB,#FEF3C7);border:1px solid #FDE68A;border-radius:24px;padding:34px 24px;text-align:center}
.cert h2{font-size:22px;margin:14px 0 6px}
.cert p{font-size:13.5px;color:#92400E;line-height:1.5}
.cert .seal{width:72px;height:72px;border-radius:50%;background:#F59E0B;color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Sora';font-weight:800;font-size:20px;margin:0 auto}
.prow{display:flex;align-items:center;gap:12px;background:#fff;border-radius:16px;padding:14px 15px;margin-bottom:10px;box-shadow:0 1px 2px rgba(16,24,40,.05)}
.pbar{flex:1;height:7px;background:#F2F4F7;border-radius:99px;overflow:hidden}
.pbar i{display:block;height:100%;background:#16A34A;border-radius:99px}
.prow .pct{font-size:12px;font-weight:700;width:38px;text-align:right}
.task{display:block;background:#101828;border-radius:20px;padding:18px 20px;margin:16px 0;text-decoration:none;color:#fff;position:relative;overflow:hidden}
.task .eyebrow{color:#86EFAC}
.task .ttxt{font-weight:600;font-size:16px;margin-top:6px;line-height:1.4;padding-right:70px}
.task .go{position:absolute;right:18px;bottom:16px;font-size:13px;font-weight:700;color:#86EFAC}
.why{background:#fff;border:1px solid #EAECF0;border-radius:18px;padding:16px 18px;margin:14px 0}
.why .eyebrow{font-size:11px;letter-spacing:.12em;font-weight:700;color:#16A34A}
.why p{font-size:14.5px;color:#344054;margin:8px 0 0;line-height:1.5}
.why .goal{margin-top:10px;font-size:13.5px;font-weight:600;color:#101828;background:#F0FDF4;border-radius:10px;padding:10px 12px}
.step{display:flex;align-items:flex-start;gap:12px;width:100%;background:#fff;border:1px solid #EAECF0;border-radius:14px;padding:14px;margin:0 0 10px;text-align:left;font-family:Inter,sans-serif;font-size:14px;color:#344054;line-height:1.45;cursor:pointer}
.step .n{flex:none;width:26px;height:26px;border-radius:8px;background:#F2F4F7;color:#98A2B3;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;font-family:Sora}
.step.ok{border-color:#BBF7D0;background:#F0FDF4;color:#166534}
.step.ok .n{background:#16A34A;color:#fff}
.exbox{background:#fff;border:1px solid #EAECF0;border-radius:18px;padding:16px 18px;margin-bottom:14px}
.exrow{display:flex;gap:10px;font-size:14px;color:#344054;line-height:1.5;margin-bottom:10px}
.exrow:last-child{margin-bottom:0}
.exrow .bullet{color:#16A34A;font-size:10px;margin-top:5px}
.rbar{height:6px;background:#F2F4F7;border-radius:99px;margin:10px 0 2px;overflow:hidden}
.rbar i{display:block;height:100%;background:#16A34A;border-radius:99px}
.pn{flex:none;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;font-family:Sora;color:#101828}
.ytph{width:100%;aspect-ratio:16/9;background:#101828;border-radius:16px;overflow:hidden}
.ytph iframe{width:100%;height:100%;border:0;display:block}
.vtitle{display:flex;justify-content:space-between;align-items:center;gap:10px}
.vpct{flex:none;font-size:11px;font-weight:700;color:#667085}
.vpct.done{color:#16A34A}
.readbar{height:6px;background:#F2F4F7;border-radius:99px;overflow:hidden;margin:14px 0 4px}
.readbar i{display:block;height:100%;background:#16A34A;border-radius:99px;transition:width .3s}
.lvl{background:#fff;border:1px solid #EAECF0;border-radius:16px;padding:12px 16px;margin:4px 0 2px}
.lvlrow{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.lvlname{font-family:Sora;font-weight:700;font-size:13.5px}
.lvlxp{font-size:12px;font-weight:700;color:#8B5CF6}
.bar.light{height:6px}
.lrow.locked{opacity:.55;pointer-events:none}
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:8px}
.badge{background:#fff;border:1px solid #EAECF0;border-radius:14px;padding:12px 8px;text-align:center;opacity:.5}
.badge.got{opacity:1;border-color:#BBF7D0;background:#F0FDF4}
.bic{font-size:20px}
.bname{font-family:Sora;font-weight:700;font-size:11px;margin-top:6px}
.bdesc{font-size:10px;color:#98A2B3;margin-top:2px}