.v203-player{max-width:760px;margin:0 auto;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 16px 50px rgba(25,35,70,.12);color:#161922}.v203-progress-head{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:16px 20px;background:#fff;border-bottom:1px solid #e8ebf2}.v203-progress-head button{border:0;background:transparent;font-size:26px;cursor:pointer}.v203-progress-head button:disabled{opacity:.25}.v203-progress{height:10px;background:#e4e7ed;border-radius:99px;overflow:hidden}.v203-progress i{display:block;height:100%;background:linear-gradient(90deg,#5b50ff,#7357ff);border-radius:99px;transition:width .3s}.v203-progress-head span{font-weight:700;color:#656b78}.v203-stage{min-height:540px}.v203-screen{display:none;padding:34px 34px 120px}.v203-screen.active{display:block;animation:v203In .25s ease}.v203-card{font-size:20px;line-height:1.55}.v203-card h3{font-size:34px;line-height:1.18;margin:12px 0 20px}.v203-card p{margin:0 0 18px}.v203-eyebrow{font-size:13px;font-weight:900;letter-spacing:.12em;color:#5b50ff}.v203-illustration{font-size:110px;text-align:center;padding:20px}.v203-welcome{text-align:center;padding-top:30px}.v203-definition,.v203-example,.v203-tip,.v203-success{border-radius:18px;padding:22px;margin:18px 0}.v203-definition{background:#f2f3f7;font-size:24px}.v203-example{display:flex;gap:16px;align-items:flex-start;background:#f7f4ff}.v203-example span{font-size:40px}.v203-tip{background:#fff8dd;font-size:17px}.v203-success{background:#eaf8ee;color:#0d7f31;font-weight:800}.v203-choices{display:grid;gap:14px;margin-top:24px}.v203-choices button{width:100%;text-align:left;padding:20px;border-radius:16px;border:2px solid #e3e6ed;background:#fff;font-size:19px;cursor:pointer;transition:.18s}.v203-choices button:hover{border-color:#6a5cff;transform:translateY(-1px)}.v203-choices button.correct{border-color:#1ca545;background:#eaf8ee;color:#116d2c}.v203-choices button.wrong{border-color:#e25050;background:#fff0f0}.v203-feedback{margin-top:20px;padding:18px;border-left:5px solid;border-radius:10px}.v203-feedback.ok{border-color:#1ca545;background:#eefaf1}.v203-feedback.retry{border-color:#e0a000;background:#fff8df}.v203-summary{list-style:none;padding:0;display:grid;gap:14px}.v203-summary li{background:#f3f4f7;border-radius:14px;padding:16px 18px}.v203-summary li:before{content:'✓';color:#1ca545;font-weight:900;margin-right:12px}.v203-footer{position:sticky;bottom:0;padding:18px 24px;background:linear-gradient(180deg,rgba(255,255,255,.4),#fff 25%);border-top:1px solid #edf0f4}.v203-footer .eji11-btn{width:100%;font-size:20px;padding:17px;border-radius:14px}.v203-footer .eji11-btn:disabled{opacity:.45;cursor:not-allowed}@keyframes v203In{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media(max-width:700px){.eji11-player-layout{display:block!important}.eji11-sidebar{display:none!important}.eji11-content{padding:0!important}.v203-player{border-radius:0;min-height:100vh}.v203-screen{padding:26px 22px 120px}.v203-card{font-size:18px}.v203-card h3{font-size:28px}.v203-definition{font-size:21px}.v203-stage{min-height:calc(100vh - 160px)}}