:root{--bg:#0e1420;--panel:#131b2b;--line:#243049;--line-strong:#33425f;--text:#e6ebf5;--sub:#a9b8d2;--muted:#7d8fb0;--accent:#3ddc97;--accent-ink:#0e1420;--soft:#1d2840;--warn:#ffb84d;--danger:#ff7a7a;--radius:14px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font-noto), system-ui, sans-serif;margin:0}a{color:inherit}button,input{font-family:inherit}input::placeholder{color:var(--muted)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.container{width:100%;max-width:880px;margin:0 auto;padding:72px 20px 48px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.site-header{background:var(--panel);border-bottom:1px solid var(--line);z-index:20;position:relative}.site-header-inner{align-items:center;gap:16px;max-width:1280px;min-height:60px;margin:0 auto;padding:0 20px;display:flex}.brand{align-items:center;gap:10px;text-decoration:none;display:flex}.brand img{width:auto;height:36px}.brand-text{flex-direction:column;line-height:1.2;display:flex}.brand-sub{color:var(--sub);font-size:12px;font-weight:500}.brand-main{letter-spacing:-.01em;font-size:16px;font-weight:800}.nav-desktop{align-items:center;gap:2px;margin-left:auto;display:flex}.nav-link{width:88px;height:44px;color:var(--sub);border-bottom:2px solid #0000;justify-content:center;align-items:center;font-size:15px;font-weight:500;text-decoration:none;display:flex}.nav-link[aria-current=page]{color:var(--accent);border-bottom-color:var(--accent);font-weight:700}.icon-btn{border:1px solid var(--line);width:44px;height:44px;color:var(--text);cursor:pointer;background:0 0;border-radius:10px;justify-content:center;align-items:center;text-decoration:none;display:flex}.nav-desktop .icon-btn,.nav-desktop .login-btn{margin-left:6px}.login-btn{background:var(--accent);height:44px;color:var(--accent-ink);border-radius:10px;align-items:center;padding:0 16px;font-size:14px;font-weight:800;text-decoration:none;display:flex}.nav-toggle{margin-left:auto;display:none}.mobile-menu{display:none}@media (max-width:760px){.nav-desktop{display:none}.nav-toggle{display:flex}.brand img{height:32px}.brand-sub{font-size:11px}.brand-main{font-size:14px}.mobile-menu{background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px 16px;display:flex;position:absolute;top:100%;left:0;right:0}.mobile-link{min-height:60px;color:var(--text);border-bottom:1px solid #1b2538;justify-content:space-between;align-items:center;font-size:18px;font-weight:600;text-decoration:none;display:flex}.mobile-link[aria-current=page]{color:var(--accent);font-weight:800}.mobile-menu .login-btn{border-radius:12px;justify-content:center;height:52px;margin-top:16px;font-size:16px}}@keyframes wu-spin{to{transform:rotate(360deg)}}.wu-spin{transform-origin:12px 12px;animation:1s linear infinite wu-spin}@media (prefers-reduced-motion:reduce){.wu-spin{animation:none}}