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.auth-method-switch[data-v-c6604436]{margin-bottom:0}.modal-close[data-v-c6604436]{position:absolute;right:14px;top:18px}@media(max-width:767px){.modal-overlay.login-modal-overlay[data-v-c6604436]{align-items:flex-end;justify-content:center;padding:0 0 env(safe-area-inset-bottom)!important;min-height:var(--visual-viewport-height)}.modal-card.login-modal-card[data-v-c6604436]{width:100%;max-height:min(620px,calc(var(--visual-viewport-height) - 20px));padding:22px 22px 0;border-radius:26px 26px 0 0;animation:loginSlideUp-c6604436 .24s ease}.login-modal-card input[data-v-c6604436]{font-size:16px}.modal-header[data-v-c6604436]{padding-top:12px}.modal-close[data-v-c6604436]{top:12px}}@keyframes loginSlideUp-c6604436{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}.modal-body[data-v-c6604436]{overflow-y:auto;overscroll-behavior:contain;flex:1;padding:16px 0 22px;min-height:0;scrollbar-gutter:stable;-webkit-overflow-scrolling:touch}.activation-submit-btn[data-v-cd6f30a6]{display:block;width:100%;margin-top:6px;padding:13px;border:1.5px solid var(--primary-border);border-radius:13px;background:var(--primary-soft);color:var(--primary);font-size:15px;font-weight:800;cursor:pointer;transition:opacity .15s}.activation-submit-btn[data-v-cd6f30a6]:active{opacity:.85}.activation-submit-btn[data-v-cd6f30a6]:disabled{opacity:.5;cursor:default}.activation-wechat-btn[data-v-cd6f30a6]{display:block;width:100%;margin-top:10px;padding:13px;border:none;border-radius:13px;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;font-size:15px;font-weight:800;cursor:pointer;box-shadow:0 8px 20px #f973164d;transition:opacity .15s}.activation-wechat-btn[data-v-cd6f30a6]:active{opacity:.85}.activation-wechat-btn-line[data-v-cd6f30a6]{display:block;line-height:1.5}.activation-modal-hint[data-v-cd6f30a6]{margin-top:8px;font-size:12px;color:var(--muted-2);font-weight:600;line-height:1.5}.activation-keyboard-spacer[data-v-cd6f30a6]{height:26vh;min-height:180px}.wechat-qr-card[data-v-7277e641]{position:relative;width:min(92vw,520px);padding:28px 32px 30px;border-radius:var(--radius);background:var(--surface);box-shadow:0 24px 70px #0f18304d;text-align:center;animation:popin .22s ease;overflow:hidden}.wechat-qr-close[data-v-7277e641]{position:absolute;top:0;right:0;width:54px;height:54px;border:none;border-radius:0 0 0 28px;background:#f1f2f4;color:#777b86;display:flex;align-items:center;justify-content:center;cursor:pointer}.wechat-qr-close[data-v-7277e641]:active{background:#e5e7eb}.wechat-qr-icon[data-v-7277e641]{width:82px;height:82px;margin:0 auto 20px;border-radius:22px;color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--primary-dark));display:flex;align-items:center;justify-content:center;box-shadow:0 14px 26px #1682ff3d}.wechat-qr-tag[data-v-7277e641]{width:max-content;max-width:100%;margin:0 auto 14px;display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;color:#22c55e;background:#dcfce7;font-size:19px;line-height:1.1;font-weight:900}.wechat-qr-tag i[data-v-7277e641]{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px #22c55e24}.wechat-qr-title[data-v-7277e641]{margin:0 0 10px;font-size:29px;line-height:1.2;font-weight:950;color:#202124}.wechat-qr-subtitle[data-v-7277e641],.wechat-qr-desc[data-v-7277e641]{margin:0;color:#626873;font-size:18px;line-height:1.5;overflow-wrap:anywhere}.wechat-qr-desc[data-v-7277e641]{margin-top:3px;color:#626873}.wechat-qr-frame[data-v-7277e641]{width:min(278px,100%);aspect-ratio:1 / 1;height:auto;display:flex;align-items:center;justify-content:center;margin:28px auto 12px;padding:16px;border-radius:18px;border:1px solid #e5e7eb;background:var(--surface);box-shadow:0 8px 24px #0f183012}.wechat-qr-img[data-v-7277e641]{display:block;width:100%;height:auto;aspect-ratio:1 / 1;object-fit:contain;border-radius:6px}.wechat-qr-error[data-v-7277e641]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:14px}.wechat-qr-retry[data-v-7277e641]{min-height:var(--control-min-height);padding:8px 16px;border-radius:var(--radius-sm);color:var(--primary-deep);background:var(--primary-soft);cursor:pointer}.wechat-qr-retry[data-v-7277e641]:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.wechat-qr-footnote[data-v-7277e641]{margin:0 0 22px;color:#8d939f;font-size:18px;line-height:1.4}.wechat-contact-bar[data-v-7277e641]{height:68px;display:grid;grid-template-columns:38px minmax(0,1fr) 116px;align-items:center;gap:12px;margin:0 auto 24px;padding:0 14px 0 0;border-radius:16px;background:#f1f3f7}.wechat-logo[data-v-7277e641]{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;color:#fff;background:#07c160;font-size:21px;font-weight:900}.wechat-contact-bar strong[data-v-7277e641]{min-width:0;color:#202124;font-size:clamp(15px,3.8vw,20px);letter-spacing:.02em;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wechat-contact-bar button[data-v-7277e641]{height:44px;border:0;border-radius:22px;color:#fff;background:var(--primary);font-size:15px;font-weight:900;cursor:pointer}.wechat-contact-bar button[data-v-7277e641]:active{background:#0f6ed9}.wechat-qr-bottom-line[data-v-7277e641]{display:flex;align-items:center;justify-content:center;gap:13px;color:#a0a5af;font-size:16px}.wechat-qr-bottom-line span[data-v-7277e641]{width:58px;height:1px;background:#e5e7eb}@media(max-width:1023px){.wechat-qr-overlay[data-v-7277e641]{align-items:center!important;padding:0!important;background:#0f18308c;overflow-y:auto;overscroll-behavior:contain}.wechat-qr-card[data-v-7277e641]{width:min(100vw - 28px,420px);padding:26px 20px 24px;border-radius:var(--radius);max-height:calc(var(--visual-viewport-height) - 24px);overflow-y:auto;-webkit-overflow-scrolling:touch}.wechat-qr-icon[data-v-7277e641]{width:72px;height:72px;margin-bottom:18px;border-radius:20px}.wechat-qr-tag[data-v-7277e641]{font-size:17px}.wechat-qr-title[data-v-7277e641]{font-size:26px}.wechat-qr-subtitle[data-v-7277e641],.wechat-qr-desc[data-v-7277e641],.wechat-qr-footnote[data-v-7277e641]{font-size:15px}.wechat-qr-frame[data-v-7277e641]{width:238px;height:238px;margin-top:24px}.wechat-qr-img[data-v-7277e641]{width:204px;height:204px}.wechat-contact-bar[data-v-7277e641]{grid-template-columns:34px minmax(0,1fr) 96px;height:60px;gap:9px;border-radius:14px}.wechat-logo[data-v-7277e641]{width:34px;height:34px;font-size:18px}.wechat-contact-bar strong[data-v-7277e641]{font-size:20px;letter-spacing:.06em}.wechat-contact-bar button[data-v-7277e641]{height:40px;font-size:15px}.wechat-qr-bottom-line[data-v-7277e641]{font-size:14px}}.quota-exhausted-card[data-v-f9649034]{position:relative;width:calc(100vw - 48px);max-width:320px;padding:32px 24px 24px;border-radius:var(--radius);background:var(--surface);box-shadow:0 24px 60px #0f183047;text-align:center;animation:popin .22s ease}.quota-exhausted-close[data-v-f9649034]{position:absolute;top:12px;right:12px;width:32px;height:32px;border:none;border-radius:50%;background:var(--mobile-bg);color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer}.quota-exhausted-close[data-v-f9649034]:active{background:var(--border)}.quota-exhausted-badge[data-v-f9649034]{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px #f9731659}.quota-exhausted-title[data-v-f9649034]{margin:0 0 6px;font-size:17px;font-weight:800;color:var(--desktop-text)}.quota-exhausted-desc[data-v-f9649034]{margin:0 0 18px;font-size:13.5px;color:#5b6070;font-weight:600}.quota-exhausted-desc strong[data-v-f9649034]{color:var(--primary);font-weight:800}.quota-exhausted-btn[data-v-f9649034]{display:block;width:100%;padding:13px;border:none;border-radius:13px;font-size:15px;font-weight:800;cursor:pointer;transition:opacity .15s}.quota-exhausted-btn+.quota-exhausted-btn[data-v-f9649034]{margin-top:10px}.quota-exhausted-btn[data-v-f9649034]:active{opacity:.85}.quota-exhausted-btn[data-v-f9649034]:disabled{opacity:.5;cursor:default}.quota-exhausted-btn.primary[data-v-f9649034]{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;box-shadow:0 8px 20px #f973164d}.quota-exhausted-btn.secondary[data-v-f9649034]{background:var(--primary-soft);color:var(--primary);border:1.5px solid var(--primary-border)}.qe-btn-line[data-v-f9649034]{display:block;line-height:1.5}.qe-form-group[data-v-f9649034]{text-align:left;margin-bottom:10px}.qe-form-group label[data-v-f9649034]{display:block;margin-bottom:5px;font-size:13px;font-weight:800;color:#5b6070}.qe-form-group input[data-v-f9649034]{width:100%;height:44px;padding:0 14px;border:1.5px solid #e4e6ee;border-radius:12px;background:var(--field);font-size:14px;font-weight:600;color:var(--text);outline:none;transition:border-color .15s}.qe-form-group input[data-v-f9649034]:focus{border-color:var(--primary);background:var(--surface)}.qe-form-hint[data-v-f9649034]{margin:2px 0 12px;font-size:11.5px;color:var(--muted-2);font-weight:600}@media(max-width:767px){.quota-exhausted-overlay[data-v-f9649034]{align-items:center!important;padding:24px!important;background:#0f18308c}}.confirm-backdrop[data-v-1a551678]{position:fixed;inset:0;z-index:3000;display:grid;place-items:center;padding:20px;background:#10141e7a}.confirm-dialog[data-v-1a551678]{width:min(380px,100%);padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:0 24px 70px #0f141f38;text-align:center}.confirm-icon[data-v-1a551678]{width:46px;height:46px;display:grid;place-items:center;margin:0 auto 15px;border-radius:50%;color:#dc2626;background:#fef2f2}.confirm-dialog h2[data-v-1a551678]{margin:0;color:var(--text);font-size:19px;font-weight:850}.confirm-dialog p[data-v-1a551678]{margin:9px 0 24px;color:var(--muted);font-size:14px;line-height:1.65}.confirm-actions[data-v-1a551678]{display:grid;grid-template-columns:1fr 1fr;gap:10px}.confirm-actions button[data-v-1a551678]{min-height:44px;border-radius:var(--radius-sm);font-size:14px;font-weight:800;cursor:pointer}.confirm-cancel[data-v-1a551678]{color:var(--text);border:1px solid var(--border);background:var(--surface)}.confirm-submit[data-v-1a551678]{color:#fff;border:1px solid #dc2626;background:#dc2626}.confirm-submit[data-v-1a551678]:hover{background:#b91c1c}.toast-container[data-v-add145c4]{position:fixed;left:50%;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast-container-top[data-v-add145c4]{top:16px;transform:translate(-50%)}.toast-container-center[data-v-add145c4]{top:50%;transform:translate(-50%,-50%)}.toast-item[data-v-add145c4]{display:flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:700;color:#fff;cursor:pointer;pointer-events:auto;box-shadow:0 8px 24px #00000026;min-width:200px;max-width:360px}.toast-success[data-v-add145c4]{background:#f97316}.toast-error[data-v-add145c4]{background:#dc2626}.toast-info[data-v-add145c4]{background:#f97316}.toast-icon[data-v-add145c4]{font-size:16px;font-weight:800}.toast-enter-active[data-v-add145c4],.toast-center-enter-active[data-v-add145c4]{transition:all .3s ease}.toast-leave-active[data-v-add145c4],.toast-center-leave-active[data-v-add145c4]{transition:all .2s ease}.toast-enter-from[data-v-add145c4]{opacity:0;transform:translateY(-12px)}.toast-leave-to[data-v-add145c4]{opacity:0;transform:translateY(-8px)}.toast-center-enter-from[data-v-add145c4]{opacity:0;transform:scale(.94)}.toast-center-leave-to[data-v-add145c4]{opacity:0;transform:scale(.96)}:root{--primary: #f97316;--primary-dark: #ea580c;--primary-2: #fb923c;--purple: #f59e0b;--success: #18c29c;--success-dark: #12a586;--success-soft: #e7fbf5;--success-deep: #0d8f74;--primary-soft: #fff7ed;--primary-soft-strong: #ffedd5;--primary-border: #fed7aa;--primary-deep: #c2410c;--info: #4f6ef7;--info-soft: #eef1ff;--danger: #ff6b5c;--danger-dark: #e05a48;--warning: #ffb020;--navy: #0f1830;--navy-2: #1b2748;--bg: #f4f6fb;--mobile-bg: #f4f5f9;--surface: #ffffff;--field: #f7f8fc;--text: #1b1e2b;--desktop-text: #111a33;--muted: #8a90a3;--muted-2: #9aa2b8;--light: #b3b8c8;--border: #e6e8f0;--border-light: #eef0f6;--shadow: 0 12px 30px rgba(38, 61, 130, .08);--shadow-heavy: 0 24px 70px rgba(15, 24, 48, .22);--radius: 20px;--radius-md: 16px;--radius-sm: 12px;--control-min-height: 44px;--content-reading-width: 1100px;--nav-height: 72px;--bottom-nav-height: 80px;--keyboard-inset: 0px;--visual-viewport-height: 100vh;--visual-viewport-height: 100dvh;--max-width: 768px;--max-width-desktop: 1180px;--transition: .2s ease}*{box-sizing:border-box;margin:0;padding:0}html{background:var(--bg)}body{min-width:320px;color:var(--text);background:var(--bg);font-family:"Baloo 2",PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}button,input,select{font:inherit;font-family:inherit}button{border:0}#app{min-height:100vh;background:radial-gradient(1200px 700px at 20% -5%,#fff0e6 0%,transparent 55%),radial-gradient(1000px 600px at 100% 0%,#e6fbf4 0%,transparent 50%),var(--border-light)}.app-main{min-height:100vh;display:flex;flex-direction:column}.main-content{width:100%;max-width:var(--max-width);margin:0 auto;padding:14px 16px 86px;flex:1}.main-content.is-quiz{max-width:none;padding:0}.page{animation:fadein .24s ease}@keyframes fadein{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes popin{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}html,body{font-family:"Baloo 2",PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif}.msr{font-family:Material Symbols Rounded;font-weight:400;font-style:normal;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:normal;text-transform:none;white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-feature-settings:"liga";-webkit-font-smoothing:antialiased;font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24}.scroll::-webkit-scrollbar{width:0;height:0}.rotate-180{transform:rotate(180deg)}.desktop-only{display:none}.prototype-stage{min-height:100vh;padding:28px;background:radial-gradient(circle at 20% 0%,rgba(91,123,255,.14),transparent 30%),radial-gradient(circle at 94% 10%,rgba(245,158,11,.12),transparent 28%),var(--border-light)}.prototype-switch-header{max-width:1240px;margin:0 auto 18px;display:flex;align-items:center;justify-content:space-between;gap:18px}.prototype-switch-brand{display:flex;align-items:center;gap:12px}.prototype-switch-mark{min-width:42px;height:42px;padding:0 10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;box-shadow:0 12px 24px #f973163d;white-space:nowrap;background:linear-gradient(135deg,var(--primary-2),var(--primary));border-radius:13px;font-weight:800}.prototype-switch-title{color:var(--text);font-size:19px;letter-spacing:.5px;font-weight:800}.prototype-switch-subtitle{margin-top:2px;color:var(--muted);font-size:12px;font-weight:600}.prototype-view-switcher{display:flex;align-items:center;gap:4px;padding:4px;border-radius:999px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.prototype-view-switcher button{min-width:106px;padding:10px 16px;border-radius:999px;background:transparent;color:var(--muted);font-size:13px;font-weight:950;cursor:pointer;transition:var(--transition)}.prototype-view-switcher button.active{color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--primary-dark));box-shadow:0 8px 18px #f9731638}.prototype-mobile-preview{display:flex;justify-content:center;padding:6px 0 20px}.prototype-phone-frame{width:414px;height:820px;padding:12px;border-radius:42px;background:#141824;box-shadow:0 32px 80px #0f183047}.prototype-phone-screen{position:relative;height:100%;overflow:hidden;border-radius:32px;background:var(--mobile-bg)}.prototype-statusbar{height:32px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;color:var(--text);background:#fff;font-size:12px;font-weight:900}.prototype-notch{position:absolute;top:8px;left:50%;width:126px;height:22px;transform:translate(-50%);border-radius:0 0 14px 14px;background:#141824;z-index:5}.prototype-phone-content{position:absolute;inset:32px 0 66px;overflow-y:auto;padding:12px 14px}.prototype-phone-content.is-quiz{inset:32px 0 0;padding:0}.prototype-phone-screen .bottom-nav{position:absolute;left:0;right:0;bottom:0}.prototype-desktop-preview{max-width:1240px;margin:0 auto}.prototype-browser-frame{overflow:hidden;background:#fff;box-shadow:0 28px 80px #0f18302e;border:1px solid rgba(230,232,240,.8);max-width:1280px;margin:0 auto;border-radius:18px}.prototype-browser-chrome{display:grid;grid-template-columns:92px minmax(0,1fr) 92px;align-items:center;padding:0 14px;height:38px;background:var(--field);border-bottom:1px solid #eceef4}.prototype-browser-dots{display:flex;gap:7px}.prototype-browser-dots span{border-radius:50%;background:var(--danger);width:11px;height:11px}.prototype-browser-dots span:nth-child(2){background:var(--warning)}.prototype-browser-dots span:nth-child(3){background:var(--success)}.prototype-address-bar{justify-self:center;min-width:280px;padding:5px 18px;border-radius:9px;text-align:center;font-size:12px;background:#fff;color:var(--muted-2);border:1px solid #eceef4;font-weight:600}.prototype-web-app{min-height:820px;overflow:visible;background:var(--bg)}.prototype-web-content{min-height:calc(820px - var(--nav-height));max-height:none;padding:26px 0 42px;overflow:visible}.prototype-web-content.is-quiz{padding:0}.student-stage{padding:28px 20px 60px}.student-switch-header{max-width:1180px;margin-bottom:22px}.student-auto-chip{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:14px;background:#fff;color:var(--primary);font-size:13px;font-weight:800;box-shadow:0 6px 18px -10px #1e285a40}.prototype-web-content>.page{padding-left:32px;padding-right:32px}.prototype-web-content>.prototype-home{padding-left:0;padding-right:0}.student-layout{display:flex;flex-direction:column;min-height:100vh;width:100%;min-width:0}.student-route-content{flex:1;min-width:0;width:100%}.student-layout .prototype-web-content{min-height:0;padding:0 0 50px;overflow:visible}.student-layout .prototype-web-content>.page:not(.prototype-home){width:min(100%,1280px);max-width:1280px;margin-inline:auto;padding:28px 32px 50px}.student-layout .prototype-web-content>.prototype-home{width:100%;max-width:none;padding:0}.student-layout--quiz .student-route-content{padding:0}.student-layout--mobile{height:100vh;height:100dvh;min-height:0;overflow:hidden}.student-layout--mobile .mobile-content{flex:1;min-height:0;height:auto;overflow-y:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch}.student-layout--mobile .mobile-content.mobile-content--vocabulary-session{padding-bottom:env(safe-area-inset-bottom)}.student-layout--mobile .mobile-content>.page{min-width:0}.student-layout .prototype-brand{text-decoration:none}.student-layout .prototype-brand:focus-visible,.bottom-nav .nav-item:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.prototype-web-app .prototype-topbar{margin-top:0}.prototype-web-app .prototype-web-content{min-height:748px}.mobile-app-shell{position:relative;min-height:100vh;height:100vh;overflow:hidden;background:var(--mobile-bg)}.mobile-statusbar{position:absolute;left:0;right:0;top:0;z-index:120;height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;color:var(--text);font-size:12px;font-weight:800;pointer-events:none}.mobile-notch{position:absolute;top:0;left:50%;width:112px;height:26px;transform:translate(-50%);border-radius:0 0 18px 18px;background:#0c1024}.mobile-content{height:100vh;overflow-y:auto;padding-bottom:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));background:var(--mobile-bg)}.mobile-content .page{padding-bottom:8px}.page-nav-bar{position:sticky;top:0;z-index:60;flex:0 0 auto;padding-top:var(--page-nav-safe-top, 0px);background:var(--surface);color:var(--text);border-bottom:1px solid var(--border);font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif}.page-nav-main{display:grid;grid-template-columns:minmax(88px,1fr) minmax(0,2fr) minmax(88px,1fr);align-items:center;gap:8px;width:min(100%,1280px);min-height:56px;margin-inline:auto;padding:0 32px}.page-nav-start,.page-nav-actions{display:flex;align-items:center;min-width:0}.page-nav-actions{justify-content:flex-end}.page-nav-back{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-width:64px;min-height:var(--control-min-height);padding:0 8px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--primary-deep);font:inherit;font-size:14px;line-height:24px;font-weight:800;text-decoration:none;cursor:pointer}.page-nav-back:hover:not(:disabled){background:var(--primary-soft)}.page-nav-back:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.page-nav-back:disabled{color:var(--muted);cursor:default}.page-nav-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;font-size:18px;line-height:24px;font-weight:800}.page-nav-details{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;width:min(100%,1280px);margin-inline:auto;padding:0 32px 10px}.student-layout .prototype-web-content>.vocab-page.vocab-page--session{width:100%;max-width:none;padding:0}.vocab-page--session .vocab-learning,.vocab-page--session .vocab-quiz{width:min(100%,1280px);margin-inline:auto;padding:24px 32px}.prototype-topbar{top:0;z-index:100;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;-webkit-backdrop-filter:blur(16px);position:relative;height:72px;background:#fff;border-bottom:1px solid var(--border-light);backdrop-filter:none}.prototype-topbar-desktop{padding:0 42px;justify-content:flex-start}.prototype-brand{display:flex;align-items:center;gap:11px;cursor:pointer;min-width:0}.prototype-brand-mark{flex-shrink:0;border-radius:10px}.prototype-brand-copy{min-width:0;line-height:1.15}.prototype-brand-title{font-size:17px;color:var(--desktop-text);letter-spacing:.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:800}.prototype-brand-subtitle{margin-top:3px;font-size:10.5px;color:var(--muted-2);letter-spacing:1.5px;font-weight:700}.prototype-desktop-nav{display:flex;align-items:center;padding:6px;background:transparent;border:0;border-radius:0;gap:4px;margin-left:12px}.prototype-desktop-nav-item{min-width:72px;text-align:center;transition:var(--transition);display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:11px;color:#5b6070;font-weight:700;font-size:14px;text-decoration:none}.prototype-desktop-nav-item:hover{background:#fff;color:var(--primary)}.prototype-desktop-nav-item.active{background:var(--primary-soft);color:var(--primary);box-shadow:none}.prototype-top-actions{display:flex;align-items:center;flex-shrink:0;gap:10px}.prototype-topbar-desktop .prototype-top-actions{margin-left:auto}.nav-item-icon{font-size:18px;margin-right:5px;vertical-align:middle}.prototype-login-btn,.prototype-primary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;color:#fff;font-size:14px;cursor:pointer;transition:var(--transition);border-radius:11px;background:linear-gradient(135deg,var(--primary-2),var(--primary));font-weight:800;box-shadow:0 12px 24px -10px #f9731699}.prototype-login-btn:hover,.prototype-primary-btn:hover{transform:translateY(-1px);box-shadow:0 16px 30px #f9731652}.prototype-primary-btn.small{padding:9px 16px;font-size:13px}.prototype-user-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:999px;background:var(--field);color:var(--text);font-weight:800;cursor:pointer}.prototype-user-avatar{position:relative;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;color:#fff;background:linear-gradient(135deg,var(--primary),var(--purple));font-size:13px;font-weight:900}.prototype-primary-btn.light{background:#ffffff80;border:1px solid rgba(180,130,30,.25);color:#7a4d00;box-shadow:none}.prototype-ghost-btn{padding:11px 20px;border-radius:999px;color:#7a4d00;background:#ffffff80;border:1px solid rgba(180,130,30,.25);font-weight:900;cursor:pointer;transition:var(--transition)}.prototype-hero{min-height:250px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:stretch;padding:38px;border-radius:28px;color:#7a4d00;background:radial-gradient(circle at 88% 12%,rgba(255,255,255,.4),transparent 28%),linear-gradient(135deg,#fff4e0 0%,#ffcf6b 54%,var(--warning) 100%);box-shadow:0 24px 58px #b4821e33;overflow:hidden;position:relative}.prototype-hero:after{content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;background:#ffffff1c}.prototype-hero-copy{position:relative;z-index:1}.prototype-kicker,.prototype-section-kicker{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;color:var(--primary-dark);background:var(--primary-soft);font-size:12px;font-weight:900}.prototype-hero .prototype-kicker{color:#7a4d00;background:#fff6}.prototype-hero h1{max-width:640px;margin-top:16px;font-size:42px;line-height:1.15;font-weight:800;letter-spacing:.2px}.prototype-hero p{max-width:560px;margin-top:14px;color:#7a4d00c7;font-size:16px;font-weight:600}.prototype-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.prototype-ghost-btn:hover{background:#ffffffb3;transform:translateY(-1px)}.prototype-countdown-card{position:relative;z-index:1;align-self:center;padding:24px;background:#fffffff5;color:var(--text);text-align:center;border-radius:20px;box-shadow:0 14px 34px -24px #111a3366}.countdown-label{color:var(--muted);font-size:13px;font-weight:900}.countdown-number{margin-top:8px;font-size:70px;line-height:.95;font-weight:950;color:var(--primary-dark)}.countdown-unit{color:var(--primary);font-size:18px;font-weight:900}.countdown-note{margin-top:12px;padding:8px 12px;border-radius:999px;color:var(--success-deep);background:#eafbf6;font-size:13px;font-weight:900}.prototype-stats-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:18px 0}.prototype-stat{padding:18px 14px;background:#fff;text-align:center;cursor:pointer;transition:var(--transition);border:0;border-radius:16px;box-shadow:0 12px 30px -20px #1e285a4d}.prototype-stat:hover{transform:translateY(-2px);box-shadow:0 16px 34px #263d821f}.prototype-stat-value{line-height:1;font-family:"Baloo 2";font-size:22px;font-weight:800}.prototype-stat-label{margin-top:8px;color:var(--muted);font-size:12px;font-weight:600}.prototype-search-panel,.prototype-practice-card,.prototype-profile-card,.prototype-activation-card,.prototype-score-card{padding:28px;border-radius:24px;background:#fff;border:0;box-shadow:0 12px 30px -20px #1e285a4d}.prototype-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}.prototype-section-head.compact{margin-bottom:16px}.prototype-section-head h2{margin-top:2px;color:var(--text);font-size:17px;font-weight:800}.prototype-section-badge{padding:7px 12px;border-radius:999px;color:var(--primary-dark);background:var(--primary-soft);font-size:12px;font-weight:900;white-space:nowrap}.prototype-section-badge.warning{color:#b8791a;background:#fff7e6}.prototype-search-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end}.prototype-field,.prototype-chip-select{display:flex;flex-direction:column;gap:8px}.prototype-field span,.prototype-chip-select span{color:#5b6070;font-size:12.5px;font-weight:700}.prototype-field select,.prototype-chip-select select{width:100%;min-height:48px;padding:0 38px 0 14px;border:1px solid var(--border);border-radius:14px;color:var(--text);background-color:var(--field);appearance:none;cursor:pointer;transition:var(--transition);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a90a3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;font-weight:700}.prototype-field select:focus,.prototype-chip-select select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #f973161f;background-color:#fff}.prototype-field select:disabled,.prototype-chip-select select:disabled{color:var(--light);cursor:not-allowed}.prototype-search-btn{min-height:48px;padding:0 24px;color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:14px;background:linear-gradient(135deg,var(--primary-2),var(--primary));font-size:15px;font-weight:800;box-shadow:0 12px 24px -10px #f9731699}.prototype-search-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.prototype-results{margin-top:22px;padding-top:20px;border-top:1px solid var(--border)}.prototype-result-summary{color:var(--muted);font-size:14px;font-weight:700}.prototype-result-summary strong{color:var(--primary-dark)}.prototype-category-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.prototype-category-tab{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);color:#515a73;cursor:pointer;font-weight:900;transition:var(--transition)}.prototype-category-tab em{min-width:24px;padding:2px 8px;border-radius:999px;background:#fef7f0;color:var(--muted);font-style:normal;font-size:12px}.prototype-category-tab.active{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--primary-2),var(--primary-dark));box-shadow:0 10px 20px #f9731638}.prototype-category-tab.active em{color:#fff;background:#ffffff38}.prototype-detail-title{display:flex;align-items:center;gap:8px;margin:12px 0;color:var(--primary-dark);font-weight:950}.prototype-detail-title small{color:var(--muted);font-weight:800}.prototype-school-list,.prototype-practice-list{display:flex;flex-direction:column;gap:10px}.prototype-school-card{border:1px solid var(--border);overflow:hidden;background:#fff;border-radius:13px;border-color:#eceef4}.prototype-school-card header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 16px;cursor:pointer;background:var(--field)}.prototype-school-card h3{font-size:15px;color:var(--text);font-weight:950}.prototype-school-card p{color:var(--muted);font-size:12px;font-weight:800}.prototype-major-list{border-top:1px solid var(--border)}.prototype-major-card{padding:14px 16px;border-bottom:1px solid var(--border-light)}.prototype-major-card:last-child{border-bottom:0}.prototype-major-body{flex:1;min-width:0}.prototype-major-name{color:var(--text);display:flex;align-items:center;gap:10px;font-weight:700}.prototype-major-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:7px}.prototype-major-meta span{padding:4px 10px;color:#687087;background:#fef7f0;font-size:12px;border-radius:7px;font-weight:600}.prototype-admission-options{display:grid;gap:8px;margin-top:8px}.prototype-admission-option{display:flex;align-items:center;justify-content:space-between;gap:16px}.prototype-admission-option+.prototype-admission-option{padding-top:8px;border-top:1px dashed var(--border-light)}.prototype-admission-option .prototype-major-meta{flex:1;margin-top:0}.prototype-major-remark{display:inline-block;margin-top:8px;padding:6px 10px;border-radius:10px;color:var(--danger-dark);background:#fff1ef;font-size:12px;font-weight:700}.prototype-major-admission{flex-shrink:0;display:flex;flex-direction:column;gap:6px;padding-left:16px;border-left:2px solid var(--primary);text-align:left}.admission-stat{display:flex;flex-direction:column}.admission-stat-label{font-size:13px;color:var(--muted-2);font-weight:700}.admission-stat-value{font-size:22px;color:var(--primary);font-weight:950;line-height:1.1}.admission-stat-value small{font-size:12px;color:var(--muted-2);font-weight:700;margin-left:2px}.prototype-empty{padding:24px;border-radius:16px;background:var(--field);text-align:center;font-weight:800;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:120px;color:var(--muted)}.prototype-quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 18px 18px}.home-quick-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.prototype-quick-card{display:block;width:100%;padding:22px;background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer;transition:var(--transition);border:0;border-radius:var(--radius);box-shadow:0 12px 30px -20px #1e285a4d}.prototype-quick-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.prototype-quick-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px #263d821f}.prototype-quick-card svg{color:var(--primary)}.prototype-quick-card h3{margin-top:12px;color:var(--desktop-text);font-size:17px;font-weight:950}.prototype-quick-card p{margin-top:4px;color:var(--muted);font-size:13px;font-weight:700}.search-subtitle{display:block;margin-top:2px;color:var(--muted);font-size:12px;font-weight:600}.prototype-hero.home-hero{min-height:0;display:block;padding:44px 38px 46px;border-radius:0 0 24px 24px;color:#fff;background:radial-gradient(circle at 18% 18%,rgba(255,255,255,.25),transparent 30%),radial-gradient(circle at 88% 6%,rgba(255,210,155,.34),transparent 28%),linear-gradient(135deg,#ff9442,#ff6b1a 48%,#e95408);box-shadow:none}.home-hero-top{display:contents}.home-avatar{display:none}.prototype-hero.home-hero .prototype-kicker{color:var(--primary-soft);background:#fff3;border:1px solid rgba(255,255,255,.22)}.prototype-hero.home-hero h1{color:#fff;text-shadow:0 10px 28px rgba(128,48,0,.18)}.prototype-hero.home-hero p{color:#ffffffe0}.home-floating-stats{margin:-28px 18px 16px;position:relative;z-index:2}.prototype-search-panel{margin:0 18px 16px;padding:22px 16px 18px;border-radius:20px}.section-title-line{display:flex;align-items:center;gap:9px}.section-title-line>.msr{color:var(--primary)}.prototype-section-kicker{padding:0;background:transparent;color:var(--muted);font-size:12px;font-weight:600}.prototype-section-kicker.green{color:var(--success)}.prototype-section-kicker.purple{color:var(--purple)}.prototype-section-kicker.orange{color:#e8920a}.prototype-section-badge,.category-count{border-radius:8px;background:var(--primary-soft);color:var(--primary);font-weight:700}.prototype-category-accordion{display:flex;flex-direction:column;gap:10px;margin-top:16px}.prototype-category-card{overflow:hidden;border-radius:16px;background:#fff;border:1px solid var(--border-light);box-shadow:0 10px 26px -22px #1e285a59}.prototype-category-card>header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px;cursor:pointer}.category-title-wrap{display:flex;align-items:center;gap:11px}.category-title-wrap h3{color:var(--text);font-size:15px;font-weight:800}.category-title-wrap p{margin-top:2px;color:var(--muted);font-size:12px;font-weight:600}.category-color-bar{width:4px;height:32px;border-radius:3px;background:#ff8a3c}.category-header-right{display:flex;align-items:center;gap:8px;color:var(--muted)}.category-count{padding:3px 9px;font-size:11px}.prototype-school-list{padding:0 12px 12px}.prototype-major-name em{color:var(--muted);font-size:16px;font-style:normal;font-weight:600}.prototype-empty .msr{color:#c5cad8}.home-empty{background:var(--field)}.icon-tile{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary)}.icon-tile.small{width:42px;height:42px;border-radius:13px}.icon-tile.green{background:var(--success-soft);color:var(--success)}.icon-tile.coral{background:#ffeeec;color:var(--danger)}.icon-tile.orange{background:#fff4e0;color:#e8920a}.icon-tile.purple{background:#fef3c7;color:var(--purple)}.icon-tile.blue{background:var(--primary-soft);color:var(--primary)}.prototype-mobile-page-head{margin-bottom:16px;padding:24px;border-radius:24px;color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--primary-dark));box-shadow:0 18px 42px #ea580c38}.prototype-mobile-page-head span{display:inline-flex;padding:4px 10px;border-radius:999px;background:#ffffff26;font-size:12px;font-weight:900}.prototype-mobile-page-head h1{margin-top:12px;font-size:26px;line-height:1.2;font-weight:950}.prototype-mobile-page-head p{margin-top:8px;color:#ffffffd6;font-weight:700}.prototype-bank-filter{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);margin:0 18px 16px}.prototype-bank-overview{display:grid;gap:14px;margin:0 18px 14px;grid-template-columns:1fr 1fr 1fr}.prototype-ring-card{position:relative;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);text-align:center}.prototype-ring-card h3{margin-bottom:8px;color:var(--muted);font-size:14px;font-weight:950}.chart-container{position:relative;width:126px;height:126px;margin:0 auto}.prototype-ring-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text);pointer-events:none;flex-direction:column;gap:0;font-family:"Baloo 2";font-size:22px;font-weight:800}.prototype-ring-center small{font-size:11px;color:var(--muted)}.prototype-today-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px;margin-left:18px;margin-right:18px}.prototype-today-stat{padding:16px 10px;border-radius:18px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);text-align:center}.prototype-today-stat strong{display:block;font-size:26px;line-height:1;font-family:"Baloo 2";font-weight:800}.prototype-today-stat span{display:block;margin-top:8px;color:var(--muted);font-size:11px;font-weight:900}.prototype-today-stat.blue strong{color:var(--primary)}.prototype-today-stat.green strong{color:var(--success)}.prototype-today-stat.red strong{color:var(--danger)}.prototype-today-stat.orange strong{color:var(--warning)}.prototype-practice-card{margin:0 18px 16px}.prototype-practice-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px;cursor:pointer;transition:var(--transition);border-radius:15px;background:#fff;border:1px solid var(--border-light)}.prototype-practice-item:hover{border-color:var(--primary-border);background:var(--primary-soft);transform:translate(4px)}.prototype-practice-item h3{color:var(--text);font-size:15px;font-weight:950}.prototype-practice-item p{margin-top:2px;color:var(--muted);font-size:12px;font-weight:700}.prototype-practice-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary)}.prototype-practice-icon.purple{background:#fef3c7;color:var(--purple)}.prototype-practice-icon.green{background:var(--success-soft);color:var(--success)}.prototype-practice-item.exam{border-left:4px solid var(--warning)}.bank-head,.prototype-mobile-page-head{background:linear-gradient(135deg,var(--primary-2),var(--primary-dark))}.bank-filter-head{padding:24px}.bank-filter-head h1{margin-top:0!important}.bank-filter-head p{margin-top:6px!important}.bank-filter-row{display:flex;flex-direction:column;gap:14px;margin-top:18px}.bank-chip-select{display:flex;flex-direction:row;align-items:center;gap:10px}.bank-chip-select span{color:#ffffffe6;font-size:13px;font-weight:700;white-space:nowrap;flex-shrink:0}.bank-chip-select select{flex:1;min-height:44px;padding:0 14px;border-radius:10px;background:#fff;border:1.5px solid rgba(255,255,255,.3);color:var(--text);font-size:14px;font-weight:600;cursor:pointer}.bank-chip-select select:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px #fff3}.bank-chip-select select:disabled{opacity:.55;cursor:not-allowed}.prototype-bank-filter,.prototype-ring-card,.prototype-predict-card,.prototype-today-stat{border:0;box-shadow:0 12px 30px -20px 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0;color:var(--text);font-size:13px;font-weight:700;line-height:1.6}.quiz-agent-unavailable{margin:0;color:var(--muted);font-size:13px;font-weight:800}.quiz-agent-panel{margin-top:14px}.quiz-agent-toggle{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:999px;color:var(--primary-dark);background:#fff;border:1px solid rgba(249,115,22,.35);font-size:13px;font-weight:900;cursor:pointer;box-shadow:0 8px 18px #f973161f}.quiz-agent-toggle-icon{font-size:14px;line-height:1}.quiz-agent-box{border-radius:16px;border:1px solid rgba(249,115,22,.22);background:#fff7e6;overflow:hidden}.quiz-agent-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid rgba(249,115,22,.14)}.quiz-agent-title-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.quiz-agent-header 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var(--border);color:#66708d;font-size:12px;font-weight:850;cursor:pointer;transition:var(--transition)}.q-dot.active,.q-dot.answered{color:var(--primary-dark);border-color:var(--primary);background:var(--primary-soft)}.q-dot.correct{color:var(--success-deep);border-color:var(--success);background:#eafbf6}.q-dot.wrong{color:var(--danger-dark);border-color:var(--danger);background:#fff1ef}.btn-submit,.btn-back-to-bank,.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--success),var(--success-dark));font-weight:950;cursor:pointer;box-shadow:0 12px 24px #18c29c38}.btn-back-to-bank,.btn-primary{background:linear-gradient(135deg,var(--primary-2),var(--primary-dark));box-shadow:0 12px 24px 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