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50%}}.login-particles{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none;z-index:0}.particle{position:absolute;border-radius:50%;background:#ffffff14;animation:float 25s infinite linear}.p1{width:400px;height:400px;top:-150px;left:-100px;animation-delay:0s}.p2{width:300px;height:300px;top:40%;right:-100px;animation-delay:-5s}.p3{width:200px;height:200px;bottom:-80px;left:20%;animation-delay:-10s}.p4{width:350px;height:350px;top:10%;left:50%;animation-delay:-15s}.p5{width:250px;height:250px;bottom:15%;right:15%;animation-delay:-8s}@keyframes float{0%{transform:translateY(0) rotate(0) scale(1)}25%{transform:translateY(-60px) rotate(90deg) scale(1.1)}50%{transform:translateY(-30px) rotate(180deg) scale(.95)}75%{transform:translateY(-80px) rotate(270deg) scale(1.05)}to{transform:translateY(0) rotate(360deg) scale(1)}}.wave{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.06);animation:waveExpand 8s ease-out infinite}.wave:nth-child(6){width:200px;height:200px;top:20%;left:10%;animation-delay:0s}.wave:nth-child(7){width:300px;height:300px;top:60%;right:10%;animation-delay:-3s}.wave:nth-child(8){width:150px;height:150px;bottom:20%;left:40%;animation-delay:-6s}@keyframes waveExpand{0%{transform:scale(.5);opacity:.8}to{transform:scale(3);opacity:0}}.login-box{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:20px;padding:56px 48px;width:440px;max-width:440px;box-shadow:0 25px 80px #00000059,0 0 0 1px #ffffff1a;animation:cardEntrance 1s cubic-bezier(.34,1.56,.64,1) forwards;position:relative;z-index:1;margin:0 auto;opacity:0}@keyframes cardEntrance{0%{opacity:0;transform:translateY(60px) scale(.8);filter:blur(8px)}60%{opacity:1;transform:translateY(-12px) scale(1.02);filter:blur(0)}80%{transform:translateY(4px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}.login-box .login-icon{animation:iconFadeIn .6s ease-out .4s both}@keyframes iconFadeIn{0%{opacity:0;transform:translateY(-15px) scale(.8)}to{opacity:1;transform:translateY(0) scale(1)}}.login-box h1{animation:titleFadeIn .5s ease-out .6s both}@keyframes titleFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.login-form .form-group{animation:formItemFadeIn .5s ease-out both}.login-form .form-group:nth-child(1){animation-delay:.8s}.login-form .form-group:nth-child(2){animation-delay:.95s}.login-form .login-btn{animation:btnFadeIn .5s ease-out 1.1s both}@keyframes formItemFadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes btnFadeIn{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.login-box:before{content:"";position:absolute;top:-1px;left:-1px;right:-1px;bottom:-1px;border-radius:20px;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.3) 50%,transparent 70%);background-size:200% 200%;animation:borderGlow 3s ease-in-out 1.5s infinite;z-index:-1;opacity:0;transition:opacity .5s}.login-box:hover:before{opacity:1}@keyframes borderGlow{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.login-icon svg{width:64px;height:64px;filter:drop-shadow(0 4px 12px rgba(26,115,232,.3));animation:pulse 3s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:.85}}.login-box h1{font-size:26px;font-weight:700;color:#1a1a1a;text-align:center;margin:0 0 12px;letter-spacing:1px}.login-subtitle{font-size:14px;color:#888;text-align:center;margin:0 0 36px}.login-form{display:flex;flex-direction:column;gap:18px}.login-form .form-group{position:relative}.input-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);z-index:1;display:flex;align-items:center;pointer-events:none}.login-form .form-group input{width:100%;padding:15px 18px 15px 48px;border:2px solid #e8e8e8;border-radius:14px;font-size:15px;transition:all .3s ease;box-sizing:border-box;outline:none;background:#f8f9fa}.login-form .form-group input:focus{border-color:#1a73e8;background:#fff;box-shadow:0 0 0 4px #1a73e81a}.login-form .form-group input::placeholder{color:#aaa}.login-error{background:#fff2f0;border:1px solid #ffccc7;color:#ff4d4f;padding:10px 16px;border-radius:10px;font-size:13px;text-align:center;animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.login-btn{width:100%;padding:15px;background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;border:none;border-radius:14px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;letter-spacing:4px;position:relative;overflow:hidden;margin-top:4px}.login-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s ease}.login-btn:hover:before{left:100%}.login-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #1a73e873}.login-btn:active:not(:disabled){transform:translateY(0)}.login-btn:disabled{opacity:.7;cursor:not-allowed}.btn-loading{display:flex;align-items:center;justify-content:center;gap:8px}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.login-container{align-items:center}.particle{display:none}.login-box{padding:0;max-width:100%;width:100%;border-radius:0;min-height:100vh;display:flex;flex-direction:column;justify-content:center;box-shadow:none;background:transparent;margin:0}.login-box h1{font-size:24px}.login-form{gap:16px}.login-form .form-group input{padding:16px 18px 16px 48px;font-size:16px;border-radius:12px}.login-btn{padding:16px;font-size:16px;border-radius:12px}.login-icon svg{width:56px;height:56px}}@media (max-width: 380px){.login-box h1{font-size:20px}}.App{max-width:1200px;margin:0 auto}.app-loading{display:flex;justify-content:center;align-items:center;min-height:100vh;color:#666;font-size:16px}body{font-family:Microsoft YaHei,PingFang SC,sans-serif;background:#f0f2f5;color:#333;padding:20px;margin:0;min-height:100vh;overflow-x:hidden}body.login-body{padding:0;margin:0;background:#1a73e8}*{box-sizing:border-box}.container{max-width:1200px;margin:0 auto}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a0a0a0}*{scrollbar-width:thin;scrollbar-color:#c1c1c1 transparent}@media (max-width: 768px){body{padding:10px}::-webkit-scrollbar{width:4px;height:4px}}