:root{--vt-c-white:#fff;--vt-c-white-soft:#f8f8f8;--vt-c-white-mute:#f2f2f2;--vt-c-black:#181818;--vt-c-black-soft:#222;--vt-c-black-mute:#282828;--vt-c-indigo:#2c3e50;--vt-c-divider-light-1:#3c3c3c4a;--vt-c-divider-light-2:#3c3c3c1f;--vt-c-divider-dark-1:#545454a6;--vt-c-divider-dark-2:#5454547a;--vt-c-text-light-1:var(--vt-c-indigo);--vt-c-text-light-2:#3c3c3ca8;--vt-c-text-dark-1:var(--vt-c-white);--vt-c-text-dark-2:#ebebeba3;--color-background:var(--vt-c-white);--color-background-soft:var(--vt-c-white-soft);--color-background-mute:var(--vt-c-white-mute);--color-border:var(--vt-c-divider-light-2);--color-border-hover:var(--vt-c-divider-light-1);--color-heading:var(--vt-c-text-light-1);--color-text:var(--vt-c-text-light-1);--section-gap:160px}@media (prefers-color-scheme:dark){:root{--color-background:var(--vt-c-black);--color-background-soft:var(--vt-c-black-soft);--color-background-mute:var(--vt-c-black-mute);--color-border:var(--vt-c-divider-dark-2);--color-border-hover:var(--vt-c-divider-dark-1);--color-heading:var(--vt-c-text-dark-1);--color-text:var(--vt-c-text-dark-2)}}*,:before,:after{box-sizing:border-box;margin:0;font-weight:400}body{min-height:100vh;color:var(--color-text);background:var(--color-background);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:15px;line-height:1.6;transition:color .5s,background-color .5s}#app{max-width:1280px;margin:0 auto;padding:2rem;font-weight:400}a,.green{color:#00bd7e;padding:3px;text-decoration:none;transition:all .4s}@media (hover:hover){a:hover{background-color:#00bd7e33}}@media (width>=1024px){body{place-items:center;display:flex}#app{grid-template-columns:1fr 1fr;padding:0 2rem;display:grid}}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f8fafc}[data-v-61fefec8]{box-sizing:border-box;margin:0;padding:0}.home-container[data-v-61fefec8]{background:linear-gradient(#e0f2fe 0%,#f0f9ff 100%);flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100dvh;padding:1.5rem;font-family:PingFang SC,sans-serif;display:flex;overflow:hidden}.header-section[data-v-61fefec8]{text-align:center;margin-bottom:2.5rem}.mascot[data-v-61fefec8]{filter:drop-shadow(0 4px 6px #0000001a);margin-bottom:.5rem;font-size:4.5rem;animation:3s ease-in-out infinite float-up-down-61fefec8}@keyframes float-up-down-61fefec8{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.main-title[data-v-61fefec8]{color:#1e293b;letter-spacing:2px;margin-bottom:.5rem;font-size:2.4rem;font-weight:900}.subtitle[data-v-61fefec8]{color:#0284c7;letter-spacing:4px;font-size:1.1rem;font-weight:900}.nav-grid[data-v-61fefec8]{grid-template-columns:repeat(2,1fr);gap:1.2rem;width:100%;max-width:500px;display:grid}.nav-card[data-v-61fefec8]{color:#fff;cursor:pointer;text-align:center;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;padding:1.8rem .5rem;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden;box-shadow:0 10px 25px #00000026}.nav-card[data-v-61fefec8]:before{content:"";background:linear-gradient(#fff3 0%,#fff0 100%);border-radius:24px 24px 0 0;height:30%;position:absolute;top:0;left:0;right:0}.nav-card[data-v-61fefec8]:active{transform:scale(.94);box-shadow:0 4px 10px #0000001a}.icon-box[data-v-61fefec8]{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1;background:#ffffff40;border-radius:18px;justify-content:center;align-items:center;width:65px;height:65px;margin-bottom:1.2rem;font-size:2rem;font-weight:900;display:flex;box-shadow:0 4px 6px #0000001a}.math-nums[data-v-61fefec8]{letter-spacing:2px;font-size:1.2rem;line-height:1.1}.nav-card h2[data-v-61fefec8]{text-shadow:0 2px 4px #0000001a;z-index:1;margin-bottom:.4rem;font-size:1.2rem;font-weight:700}.nav-card p[data-v-61fefec8]{opacity:.9;z-index:1;font-size:.8rem;font-weight:700}.card-english[data-v-61fefec8]{background:linear-gradient(135deg,#38bdf8,#0284c7)}.card-math[data-v-61fefec8]{background:linear-gradient(135deg,#f472b6,#e11d48)}.card-memory[data-v-61fefec8]{background:linear-gradient(135deg,#fbbf24,#d97706)}.card-coding[data-v-61fefec8]{background:linear-gradient(135deg,#34d399,#059669)}@media (width<=380px){.home-container[data-v-61fefec8]{padding:1rem}.mascot[data-v-61fefec8]{font-size:3.5rem}.main-title[data-v-61fefec8]{font-size:2rem}.nav-card[data-v-61fefec8]{padding:1.2rem .5rem}.icon-box[data-v-61fefec8]{width:55px;height:55px;margin-bottom:.8rem;font-size:1.6rem}.nav-card h2[data-v-61fefec8]{font-size:1.05rem}}