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50%}}@keyframes studentShimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes studentScoreReveal{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}@keyframes studentProgressFill{0%{width:0}}@keyframes studentBounceIn{0%{opacity:0;transform:scale(.3)}50%{transform:scale(1.05)}70%{transform:scale(.95)}to{opacity:1;transform:scale(1)}}.student-app{max-width:640px;margin:0 auto;padding:16px;min-height:100vh;font-size:16px;background:linear-gradient(180deg,#f8f9ff,#f0f2f5);position:relative;--st-brand: #4361ee;--st-brand-hover: #3a52d8;--st-brand-active: #2f43c0;--st-brand-soft: rgba(67, 97, 238, .1);--st-shadow-sm: 0 1px 2px rgba(31, 41, 95, .08);--st-shadow-brand: 0 2px 8px rgba(67, 97, 238, .28);--st-shadow-brand-hover: 0 6px 16px rgba(67, 97, 238, .32);--st-radius: 12px}.student-app:before{content:"";position:fixed;top:0;left:0;right:0;height:300px;background:none;pointer-events:none;z-index:0}.student-top-bar{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;pointer-events:none;animation:studentSlideDown .4s ease-out}.student-top-bar-left,.student-top-bar-right{display:flex;align-items:center;gap:8px;pointer-events:auto}.student-top-bar-right{margin-left:auto}.student-top-bar .ant-btn{border-radius:12px;box-shadow:0 2px 8px #0000001a}.student-app .ant-input,.student-app .ant-btn{font-size:16px;min-height:44px;border-radius:12px}.student-app .ant-btn-lg{min-height:52px;font-size:18px;border-radius:14px;font-weight:600}.student-home{min-height:100vh;padding:20px 16px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 15% 15%,rgba(67,97,238,.15),transparent 45%),radial-gradient(circle at 85% 80%,rgba(123,47,247,.12),transparent 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.student-home-nav-btn--trophy:hover{border-color:#f9a826!important;background:#f9a8261f!important}.student-home-logout-btn{background:none;border:none;cursor:pointer;font-size:12px;color:#adb2c4;display:flex;align-items:center;gap:5px;margin:0 auto;padding:4px 8px;border-radius:8px;transition:color .2s ease,background .2s ease}.student-home-logout-btn:hover{color:#4361ee;background:#4361ee0f}.student-theme-dark .student-home-logout-btn{color:#555a6e}.student-theme-dark .student-home-logout-btn:hover{color:#7b8fff;background:#7b8fff1a}.student-app .ant-btn-primary{background:var(--st-brand);border:none;font-weight:600;box-shadow:var(--st-shadow-brand);transition:background .18s ease,box-shadow .18s ease,transform .1s ease}.student-app .ant-btn-primary:hover{background:var(--st-brand-hover)!important;box-shadow:var(--st-shadow-brand-hover);transform:translateY(-1px)}.student-app 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ease-out}.student-entry-hero{margin-bottom:40px}.student-entry-badge{width:88px;height:88px;border-radius:24px;background:linear-gradient(135deg,#4361ee,#7b2ff7);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:0 12px 32px #4361ee4d;animation:studentFloat 3s ease-in-out infinite}.student-entry-badge .anticon{font-size:40px;color:#fff}.student-entry-title{font-size:26px!important;font-weight:800!important;color:#1a1a2e!important;margin-bottom:8px!important;letter-spacing:-.5px}.student-entry-work-title{font-size:16px;color:#8c8c8c;margin-bottom:20px;display:block}.student-entry-student{display:inline-flex;align-items:center;gap:10px;padding:12px 24px;background:#fff;border-radius:16px;border:1px solid #f0f0f0;box-shadow:0 2px 12px #0000000f}.student-entry-student-icon{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#4361ee20,#7b2ff720);display:flex;align-items:center;justify-content:center}.student-entry-student-icon 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#0000000a}.student-test-variant-title{font-size:20px!important;font-weight:800!important;color:#1a1a2e!important;margin-bottom:4px!important}.student-test-title{display:block;font-size:15px;font-weight:600;color:#4f5b7a;margin-bottom:2px}.student-test-meta{color:#8c8c8c;font-size:14px}.student-test-progress{margin-bottom:16px;padding:0 4px}.student-test-progress-bar{height:6px;background:#f0f0f0;border-radius:3px;overflow:hidden}.student-test-progress-fill{height:100%;background:linear-gradient(90deg,#4361ee,#7b2ff7);border-radius:3px;transition:width .4s ease}.student-test-progress-text{display:flex;justify-content:space-between;margin-top:6px;font-size:12px;color:#8c8c8c;font-weight:500}.student-app .task-item{background:#fff;border-radius:16px;padding:20px;margin-bottom:14px;box-shadow:0 2px 12px #0000000d;border:1px solid #f0f0f0;transition:all .3s ease;animation:studentFadeInUp .5s ease-out both}.student-app .task-item:hover{box-shadow:0 4px 16px #00000014}.student-app 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.ant-btn-primary{box-shadow:var(--st-shadow-brand)}.student-summer-item-actions .ant-btn-primary:hover{box-shadow:var(--st-shadow-brand-hover)}.student-theme-dark .student-summer-group{border-color:#333}.student-theme-dark .student-summer-group-head{background:#26262e}.student-theme-dark .student-summer-item{border-top-color:#2a2a32}.student-theme-dark .student-summer-item:hover{background:#ffffff08}.student-theme-dark .student-summer-item-title{color:#e6e6ee}.student-summer-hint{color:#666;font-size:13px;margin:-8px 0 16px}.student-summer-week-dates{font-weight:400;color:#888}.student-theme-dark .student-summer-hint{color:#aaa}.student-theme-dark .student-summer-week-dates{color:#999}.student-summer-group--extra{border-color:#faad14}.student-summer-group--extra .student-summer-group-head{background:#fff7e6;color:#ad6800}.student-theme-dark .student-summer-group--extra{border-color:#8c6d1f}.student-theme-dark .student-summer-group--extra .student-summer-group-head{background:#2b2410;color:#f0c869}.student-summer-extra-text{white-space:pre-wrap;display:block;line-height:1.5;color:#333}.student-theme-dark .student-summer-extra-text{color:#ddd}.student-summer-file-note{color:#888;font-weight:400}.student-theme-dark .student-summer-file-note{color:#999}.student-has-bnav{padding-bottom:72px}.student-bnav{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;justify-content:space-around;align-items:stretch;background:#fff;border-top:1px solid #e8e8ef;box-shadow:0 -2px 12px #0000000f;padding:4px 0 max(4px,env(safe-area-inset-bottom))}.student-bnav-item{flex:1;border:none;background:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;font-size:11px;color:#8a8a99;transition:color .15s}.student-bnav-item .anticon{font-size:20px}.student-bnav-item:hover{color:#5b5bd6}.student-bnav-item.is-active{color:#5b5bd6;font-weight:600}.student-theme-dark 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