.legacy-header[data-astro-cid-vtf6i2u3]{padding:1rem 2rem;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#fff6;position:sticky;top:0;z-index:1001}.legacy-header[data-astro-cid-vtf6i2u3]:after{content:"";position:absolute;bottom:-40px;left:0;width:100%;height:40px;background:linear-gradient(to bottom,#fff6,#fff0);pointer-events:none;z-index:-1}.legacy-nav[data-astro-cid-vtf6i2u3]{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo[data-astro-cid-vtf6i2u3]{display:flex;align-items:center;height:48px;width:auto;aspect-ratio:1320/320}.logo-image[data-astro-cid-vtf6i2u3]{height:100%;width:auto}.nav-links[data-astro-cid-vtf6i2u3]{display:flex;gap:3rem;align-items:center}.nav-links[data-astro-cid-vtf6i2u3] a[data-astro-cid-vtf6i2u3]{font-weight:500;color:#475569;transition:color .2s ease;font-size:1.05rem;position:relative}.nav-links[data-astro-cid-vtf6i2u3] a[data-astro-cid-vtf6i2u3]:hover{color:#2563eb}.nav-links[data-astro-cid-vtf6i2u3] a[data-astro-cid-vtf6i2u3].active{color:#1e293b;font-weight:600}@media(max-width:768px){.legacy-header[data-astro-cid-vtf6i2u3]{padding:.75rem 1rem}.nav-links[data-astro-cid-vtf6i2u3]{display:none}}.portal-header[data-astro-cid-nqog35zb]{position:sticky;top:0;z-index:1001;box-shadow:0 6px 28px #202a361f}.portal-top-wrapper[data-astro-cid-nqog35zb]{background:#f8f8f8;border-bottom:1px solid #d7dbe0}.portal-top[data-astro-cid-nqog35zb]{max-width:1200px;margin:0 auto;min-height:96px;padding:0 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo[data-astro-cid-nqog35zb]{display:inline-flex;align-items:center;gap:.35rem;min-width:215px}.logo-image[data-astro-cid-nqog35zb]{width:170px;height:auto}.portal-top[data-astro-cid-nqog35zb] .portal-search-bar[data-astro-cid-nqog35zb]{display:grid;grid-template-columns:144px minmax(0,1fr) auto;align-items:center;width:min(100%,560px);height:45px;border-radius:999px;overflow:hidden;background:#eff1f3;border:0}.portal-top[data-astro-cid-nqog35zb] .portal-search-bar[data-astro-cid-nqog35zb]:focus-within{box-shadow:0 0 0 2px #7c889629}.portal-search-scope[data-astro-cid-nqog35zb]{position:relative;display:flex;align-items:center;height:100%;color:#7a818a;background:transparent;padding:0 1.95rem 0 1.05rem}.portal-search-scope[data-astro-cid-nqog35zb]:after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:58%;background:#6e778129}.portal-search-scope[data-astro-cid-nqog35zb] select[data-astro-cid-nqog35zb]{width:100%;height:100%;border:0;background:transparent;color:#737b85;font-size:.96rem;font-weight:500;line-height:1;outline:none;appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;padding:0;margin:0}.portal-search-caret[data-astro-cid-nqog35zb]{position:absolute;right:.7rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:.9rem;height:.9rem;color:#a1a8b1;font-size:.72rem;line-height:1;pointer-events:none}.portal-search-bar[data-astro-cid-nqog35zb] input[data-astro-cid-nqog35zb]{width:100%;border:0;background:transparent;height:100%;padding:0 1rem 0 1.08rem;font-size:1.03rem;color:#3d4550;outline:none}.portal-search-bar[data-astro-cid-nqog35zb] input[data-astro-cid-nqog35zb]::placeholder{color:#a0a8b1}.portal-search-bar[data-astro-cid-nqog35zb] button[data-astro-cid-nqog35zb]{border:0;cursor:pointer;background:#c98a61;color:#fff;display:flex;align-items:center;justify-content:center;height:calc(100% - 10px);margin:5px 5px 5px 0;padding:0 1.5rem;border-radius:999px;font-size:1rem;font-weight:600;line-height:1;transition:background-color .2s ease;-webkit-font-smoothing:antialiased}.portal-search-bar[data-astro-cid-nqog35zb] button[data-astro-cid-nqog35zb]:hover{background:#bf7d54}.auth-slot[data-astro-cid-nqog35zb]{min-width:194px;display:flex;justify-content:flex-end}.portal-channel-nav[data-astro-cid-nqog35zb]{background:#3f4955;border-bottom:1px solid #4d5864}.channel-inner[data-astro-cid-nqog35zb]{max-width:1200px;margin:0 auto;display:flex;align-items:stretch;min-height:56px;padding:0 1rem}.channel-inner[data-astro-cid-nqog35zb] a[data-astro-cid-nqog35zb]{min-width:160px;display:inline-flex;align-items:center;justify-content:center;color:#f3f6fb;font-size:1.5rem;letter-spacing:.02em;transition:background .2s ease;position:relative}.channel-inner[data-astro-cid-nqog35zb] a[data-astro-cid-nqog35zb]:hover{background:#36404b}.channel-inner[data-astro-cid-nqog35zb] a[data-astro-cid-nqog35zb].active{background:#2e3742;color:#fff}.channel-inner[data-astro-cid-nqog35zb] a[data-astro-cid-nqog35zb].active:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:4px;background:#ff8300}.sr-only[data-astro-cid-nqog35zb]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.portal-header .auth-slot .auth-buttons{display:flex;align-items:center;gap:.75rem}.portal-header .auth-slot .signup-link{color:#656d78;font-size:1.05rem}.portal-header .auth-slot .login-btn{background:transparent;color:#656d78;border:none;padding:0;border-radius:0;box-shadow:none;font-size:1.05rem;font-weight:500;appearance:none;-webkit-appearance:none}.portal-header .auth-slot .login-btn:hover{color:#2f3740;transform:none}.portal-header .auth-slot .user-menu-container{display:flex;justify-content:flex-end}.portal-header .auth-slot .avatar-btn{padding:0;gap:.6rem;border-radius:8px}.portal-header .auth-slot .avatar-btn:hover{background:transparent}.portal-header .auth-slot .avatar{width:42px;height:42px;background:#d8d8d8;border:0;box-shadow:none;color:#6e6e6e}.portal-header .auth-slot .user-greeting{display:block;font-size:.95rem;color:#5c6670}@media(max-width:1024px){.portal-top[data-astro-cid-nqog35zb]{flex-wrap:wrap;justify-content:center;padding:.75rem 1rem}.logo[data-astro-cid-nqog35zb]{justify-content:center;min-width:0}.auth-slot[data-astro-cid-nqog35zb]{min-width:0;width:100%;justify-content:center}.portal-top[data-astro-cid-nqog35zb] .portal-search-bar[data-astro-cid-nqog35zb]{order:3;width:min(100%,500px)}.channel-inner[data-astro-cid-nqog35zb]{overflow-x:auto;scrollbar-width:thin}.channel-inner[data-astro-cid-nqog35zb] a[data-astro-cid-nqog35zb]{min-width:140px;font-size:1.6rem;flex:1 0 auto}}@media(max-width:640px){.portal-top[data-astro-cid-nqog35zb]{min-height:auto}.logo[data-astro-cid-nqog35zb]{width:100%}.logo-image[data-astro-cid-nqog35zb]{width:148px}.portal-top[data-astro-cid-nqog35zb] .portal-search-bar[data-astro-cid-nqog35zb]{width:100%;grid-template-columns:104px minmax(0,1fr) auto;height:54px}.portal-search-scope[data-astro-cid-nqog35zb],.portal-search-bar[data-astro-cid-nqog35zb] input[data-astro-cid-nqog35zb],.portal-search-bar[data-astro-cid-nqog35zb] button[data-astro-cid-nqog35zb]{font-size:.95rem}.portal-search-bar[data-astro-cid-nqog35zb] button[data-astro-cid-nqog35zb]{margin:3px 3px 3px 0;padding:0 1.1rem}.channel-inner[data-astro-cid-nqog35zb]{min-height:56px;padding:0 .5rem}.channel-inner[data-astro-cid-nqog35zb] a[data-astro-cid-nqog35zb]{min-width:104px;font-size:1.15rem}}main[data-astro-cid-37fxchfa]{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem}footer[data-astro-cid-37fxchfa]{padding:2rem;background:#ffffff80;margin-top:auto}.footer-content[data-astro-cid-37fxchfa]{max-width:1200px;margin:0 auto;display:flex;gap:1rem;justify-content:space-between;align-items:center;color:var(--color-text-light);font-size:.9rem}.footer-links[data-astro-cid-37fxchfa]{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:.5rem}.footer-links[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]{display:inline-flex;align-items:center;padding:.32rem .68rem;border-radius:999px;border:1px solid rgba(148,163,184,.35);transition:border-color .2s ease,background-color .2s ease,color .2s ease}.footer-links[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]:hover{color:#2d3748;border-color:#6366f173;background:#ffffffbf}@media(max-width:768px){main[data-astro-cid-37fxchfa]{padding:1rem}footer[data-astro-cid-37fxchfa]{padding:1.25rem 1rem}.footer-content[data-astro-cid-37fxchfa]{flex-direction:column;align-items:flex-start}.footer-links[data-astro-cid-37fxchfa]{justify-content:flex-start}}:root{--color-primary: #4f6bff;--color-primary-dark: #3a54e8;--color-secondary: #ff8e4f;--color-accent: #00d4ca;--color-bg: #f5f7fc;--color-text: #2d3748;--color-text-light: #718096;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px rgba(79, 107, 255, .2);--radius-sm: .5rem;--radius-md: 1rem;--radius-lg: 1.5rem}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;font-family:Noto Sans SC,system-ui,sans-serif;background-color:var(--color-bg);color:var(--color-text)}body{display:flex;flex-direction:column;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:Fredoka,Noto Sans SC,sans-serif;margin-top:0;color:#1a202c}a{color:inherit;text-decoration:none}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.animate-float{animation:float 4s ease-in-out infinite}