*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#2B6CE3;--primary-dark:#1A52B0;--primary-light:#EBF1FC;--accent:#F59E0B;--accent-dark:#D97706;--accent-light:#FEF3C7;--danger:#EF4444;--text-primary:#1E293B;--text-secondary:#64748B;--text-light:#94A3B8;--bg-page:#F8FAFC;--bg-card:#FFFFFF;--border:#E2E8F0;--shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);--shadow-md:0 4px 16px rgba(0,0,0,0.08),0 2px 4px rgba(0,0,0,0.04);--shadow-lg:0 12px 40px rgba(0,0,0,0.05),0 4px 12px rgba(0,0,0,0.05);--radius-sm:8px;--radius-md:12px;--radius-lg:16px}
body{font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg-page);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
.header{background:linear-gradient(135deg,#1B4FA0 0%,#2B6CE3 100%);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 12px rgba(43,108,227,0.25);position:sticky;top:0;z-index:100}
.header-logo{display:flex;align-items:center;gap:10px;color:white;font-weight:700;font-size:16px;letter-spacing:0.5px}
.header-logo svg{flex-shrink:0}
.header-nav{display:flex;align-items:center;gap:4px}
.header-nav a{color:rgba(255,255,255,0.85);text-decoration:none;font-size:14px;padding:8px 14px;border-radius:var(--radius-sm);transition:all 0.2s;font-weight:500}
.header-nav a:hover{color:white;background:rgba(255,255,255,0.12)}
.header-nav .nav-divider{width:1px;height:16px;background:rgba(255,255,255,0.25)}
.announcement-bar{background:linear-gradient(90deg,#FEF3C7 0%,#FFF7ED 100%);border-bottom:1px solid #FED7AA;padding:10px 24px;display:flex;align-items:center;gap:10px;overflow:hidden}
.announcement-bar svg{flex-shrink:0;color:var(--accent)}
.announcement-text{font-size:13px;color:#92400E;align-items:center;font-weight:500;white-space:nowrap}
.announcement-text .time-highlight{color:var(--danger);font-weight:700;background:#FEF2F2;padding:1px 6px;border-radius:3px}
.hero{background:linear-gradient(135deg,#2B6CE3 0%,#4A8BF5 40%,#6EA5F7 100%);padding:48px 24px 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-60%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,0.06) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-40%;left:-8%;width:450px;height:450px;background:radial-gradient(circle,rgba(255,255,255,0.05) 0%,transparent 70%);border-radius:50%}
.hero-content{max-width:900px;margin:0 auto;text-align:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,0.18);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.25);padding:7px 18px;border-radius:50px;color:white;font-size:13px;font-weight:500;margin-bottom:24px;animation:fadeInDown 0.6s ease}
.hero-badge .pulse-dot{width:7px;height:7px;background:#4ADE80;border-radius:50%;animation:pulse-dot 2s infinite;box-shadow:0 0 8px rgba(74,222,128,0.5)}
.hero h1{color:white;font-size:34px;font-weight:700;margin-bottom:10px;letter-spacing:1.5px;text-shadow:0 2px 8px rgba(0,0,0,0.1);animation:fadeInDown 0.6s ease 0.1s both}
.hero .subtitle{color:rgba(255,255,255,0.8);font-size:14px;font-weight:400;letter-spacing:0.5px;animation:fadeInDown 0.6s ease 0.2s both}
.main-content{max-width:960px;margin:-40px auto 0;padding:0 24px;position:relative;z-index:10;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border);overflow:hidden;display: flex;}
.notice-card{height:600px;display:flex;flex-direction:column}
.notice-card-header{padding:0px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.notice-card-header h3{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--text-primary)}
.notice-card-header h3 svg{color:var(--accent)}
.notice-count{font-size:12px;color:var(--text-light);font-weight:500}
.notice-card-body{padding:16px 20px 20px;flex:1;overflow-y:auto}
.notice-card-body::-webkit-scrollbar{width:6px}
.notice-card-body::-webkit-scrollbar-track{background:var(--bg-page);border-radius:3px}
.notice-card-body::-webkit-scrollbar-thumb{background:var(--text-light);border-radius:3px}
.notice-card-body::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}
.notice-item{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--border);transition:all 0.2s}
.notice-item:last-child{border-bottom:none;padding-bottom:0}
.notice-item:first-child{padding-top:0}
.notice-number{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;margin-top:2px}
.notice-num-1{background:#FEF2F2;color:#DC2626}
.notice-num-2{background:#FFF7ED;color:#EA580C}
.notice-num-3{background:#FFF7ED;color:#EA580C}
.notice-num-4{background:var(--primary-light);color:var(--primary)}
.notice-text{font-size:13.5px;color:var(--text-secondary);line-height:1.7;flex:1}
.notice-text strong{color:var(--text-primary);font-weight:600}
.notice-text .red{color:var(--danger);font-weight:700}
.notice-text .blue{color:var(--primary);font-weight:600}
.notice-link{color:var(--primary);text-decoration:none;font-weight:500;transition:color 0.2s}
.notice-link:hover{color:var(--primary-dark);text-decoration:underline}
.login-card{height:600px;display:flex;flex-direction:column}
.login-tabs{display:flex;border-bottom:1px solid var(--border);padding:0}
.login-tab{flex:1;padding:14px 16px;text-align:center;font-size:14px;font-weight:600;color:var(--text-light);cursor:pointer;transition:all 0.3s;position:relative;background:none;border:none;outline:none;font-family:inherit}
.login-tab.active{color:var(--primary)}
.login-tab::after{content:'';position:absolute;bottom:-1px;left:50%;transform:translateX(-50%);width:0;height:2.5px;background:var(--primary);border-radius:2px;transition:width 0.3s ease}
.login-tab.active::after{width:60%}
.login-tab:hover{color:var(--primary)}
.login-card-body{padding:20px;flex:1;overflow-y:auto}
.login-tab-content{display:none}
.login-tab-content.active{display:block;animation:fadeIn 0.3s ease}
.error-message{display:none;background:#FEF2F2;border:1px solid #FECACA;color:#DC2626;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:10px;animation:fadeIn 0.3s ease}
.error-message.show{display:block}
.auth-icon-wrapper{display:flex;justify-content:center;margin-bottom:12px}
.auth-icon-circle{width:56px;height:56px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;position:relative}
.auth-icon-circle::before{content:'';position:absolute;inset:-6px;border-radius:50%;border:2px dashed rgba(43,108,227,0.2);animation:spin-slow 25s linear infinite}
.auth-icon-circle svg{color:var(--primary);width:24px;height:24px}
.login-title{text-align:center;font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:8px}
.login-desc{text-align:center;font-size:13.5px;color:var(--text-secondary);line-height:1.5;margin-bottom:16px;padding:0 8px}
.login-desc .highlight{color:var(--accent-dark);font-weight:600}
.login-desc .time-highlight{color:var(--danger);font-weight:700;background:#FEF2F2;padding:1px 6px;border-radius:3px}
.form-group{margin-bottom:10px}
.form-input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text-primary);font-family:inherit;background:#FAFBFC;transition:all 0.2s}
.auth-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 20px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:white;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all 0.3s ease;box-shadow:0 4px 14px rgba(43,108,227,0.3);font-family:inherit;letter-spacing:0.5px}
.auth-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(43,108,227,0.4)}
.auth-btn:active{transform:translateY(0)}
.auth-btn svg{flex-shrink:0}
.auth-btn-orange{background:linear-gradient(135deg,#F59E0B 0%,var(--accent-dark) 100%);box-shadow:0 4px 14px rgba(245,158,11,0.3)}
.auth-btn-orange:hover{box-shadow:0 6px 20px rgba(245,158,11,0.4)}
.login-divider{display:flex;align-items:center;gap:16px;margin:16px 0}
.login-divider::before,.login-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.login-divider span{font-size:12px;color:var(--text-light);white-space:nowrap;font-weight:500}
.third-party-section{display:flex;justify-content:center}
.third-party-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;background:white;border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all 0.25s ease;font-family:inherit;text-decoration:none;color:var(--text-primary)}
.third-party-btn:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-1px);box-shadow:0 4px 12px rgba(43,108,227,0.12)}
.third-party-btn:active{transform:translateY(0)}
.third-party-icon{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.third-party-icon svg{color:white;width:16px;height:16px}
.third-party-text{display:flex;flex-direction:column;align-items:flex-start}
.third-party-text .tp-label{font-size:11px;color:var(--text-light);font-weight:500}
.third-party-text .tp-name{font-size:14px;font-weight:600;color:var(--text-primary);line-height:1.3}
.auth-footer{text-align:center;margin-top:12px;font-size:12px;color:var(--text-light);line-height:1.5}
.auth-footer a{color:var(--primary);text-decoration:none;font-weight:500}
.auth-footer a:hover{text-decoration:underline}
.footer{background:white;border-top:1px solid var(--border);padding:20px 24px;text-align:center;margin-top:40px}
.footer p{font-size:12px;color:var(--text-light)}
.form-group label{font-size:14px;color:#f5222d;padding-left:3px}
@keyframes fadeIn{from{opacity:0}
    to{opacity:1}
}
@keyframes fadeInDown{from{opacity:0;transform:translateY(-12px)}
     to{opacity:1;transform:translateY(0)}
}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}
      50%{opacity:0.5;transform:scale(1.4)}
}
@keyframes spin-slow{from{transform:rotate(0deg)}
       to{transform:rotate(360deg)}
}
.mobile-toggle{display:none;background:none;border:none;color:white;cursor:pointer;padding:4px}
@media (min-width:769px){.main-content{grid-template-columns:1fr 1fr;gap:24px;margin-top:-40px;display:grid}
}
@media (max-width:768px){.header-nav{display:none}
    .header-nav.mobile-open{display:flex;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:linear-gradient(135deg,#1B4FA0 0%,#2B6CE3 100%);padding:12px;box-shadow:0 8px 24px rgba(0,0,0,0.2);border-top:1px solid rgba(255,255,255,0.1)}
    .header-nav.mobile-open .nav-divider{display:none}
    .header-nav.mobile-open a{padding:12px 16px;border-radius:var(--radius-sm);width:100%;text-align:center}
    .mobile-toggle{display:block}
    .hero{padding:36px 20px 64px}
    .hero h1{font-size:24px;letter-spacing:0.5px}
    .hero .subtitle{font-size:12px}
    .main-content{grid-template-columns:1fr;gap:20px;margin-top:-32px;display:flex;flex-direction:column}
    .login-card{order:1}
    .notice-card{order:2}
    .login-card-body{padding:18px 14px}
    .notice-card-body{padding:14px 16px 18px}
    .notice-item{gap:12px;padding:10px 0}
    .notice-text{font-size:13px}
}
@media (max-width:480px){.header{padding:0 16px;height:50px}
    .header-logo{font-size:14px}
    .header-logo svg{width:20px;height:20px}
    .hero{padding:28px 16px 56px}
    .hero h1{font-size:20px}
    .hero .subtitle{font-size:11px}
    .hero-badge{font-size:12px;padding:6px 14px}
    .main-content{padding:0 12px;gap:16px}
    .login-tabs{}
    .login-tab{padding:12px 12px;font-size:13px}
    .login-card-body{padding:16px 12px}
    .login-title{font-size:16px}
    .login-desc{font-size:12.5px;padding:0}
    .auth-btn{padding:10px 16px;font-size:14px}
    .notice-card-header{padding:0px 16px}
    .notice-card-header h3{font-size:15px}
    .notice-card-body{padding:12px 14px 16px}
    .notice-item{gap:10px}
    .notice-number{width:24px;height:24px;font-size:11px}
    .notice-text{font-size:12.5px;line-height:1.6}
}