@font-face{font-family:UicosUbuntu;src:url('/assests/fonts/ubuntu-400.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:UicosUbuntu;src:url('/assests/fonts/ubuntu-700.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}

        :root {
            --deep: #080C1F;
            --card-bg: rgba(15, 20, 45, 0.75);
            --border-glow: rgba(79, 110, 247, 0.3);
            --primary: #4F6EF7;
            --primary-glow: rgba(79, 110, 247, 0.5);
            --accent: #06D6FA;
            --accent2: #7C3AED;
            --text: #E8ECF4;
            --text2: #8892B0;
            --text3: #555D7A;
            --input-bg: rgba(255,255,255,0.04);
            --input-border: rgba(255,255,255,0.08);
            --input-focus-border: rgba(79, 110, 247, 0.6);
            --input-focus-glow: rgba(79,110,247,0.15);
            --danger: #F56C6C;
            --success: #34D399;
            --radius: 16px;
            --radius-sm: 10px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            font-family: UicosUbuntu, 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            background: var(--deep);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            overflow: hidden;
            position: relative;
        }

        /* ========== 动态背景光效 ========== */
        .bg-orb { position: fixed; border-radius: 50%; filter: blur(120px); opacity: 0.3; pointer-events: none; z-index: 0; }
        .bg-orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, #4F6EF7 0%, transparent 70%); top: -200px; left: -100px; animation: orbFloat1 12s ease-in-out infinite; }
        .bg-orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, #7C3AED 0%, transparent 70%); bottom: -150px; right: -80px; animation: orbFloat2 10s ease-in-out infinite; }
        .bg-orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, #06D6FA 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%,-50%); animation: orbFloat3 14s ease-in-out infinite; }

        @keyframes orbFloat1 { 0%,100% { transform: translate(0,0); } 33% { transform: translate(80px,60px); } 66% { transform: translate(-40px,30px); } }
        @keyframes orbFloat2 { 0%,100% { transform: translate(0,0); } 33% { transform: translate(-60px,-40px); } 66% { transform: translate(30px,-80px); } }
        @keyframes orbFloat3 { 0%,100% { transform: translate(-50%,-50%) scale(1); } 50% { transform: translate(-50%,-50%) scale(1.3); opacity:0.2; } }

        /* ========== 网格背景 ========== */
        .bg-grid {
            position: fixed; inset: 0; z-index: 0; pointer-events: none;
            background-image:
                linear-gradient(rgba(79,110,247,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(79,110,247,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
        }

        /* ========== 卡片容器 ========== */
        .login-wrapper { position: relative; z-index: 1; width: 440px; max-width: 94%; }

        .login-card {
            background: var(--card-bg);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius);
            padding: 44px 36px 36px;
            box-shadow: 0 0 60px rgba(79,110,247,0.08), 0 8px 40px rgba(0,0,0,0.4);
            position: relative;
            overflow: hidden;
        }

        /* 卡片顶部发光边 */
        .login-card::before {
            content: ''; position: absolute; top: 0; left: 20px; right: 20px;
            height: 1px; background: linear-gradient(90deg, transparent, rgba(6,214,250,0.5), var(--primary), rgba(6,214,250,0.5), transparent);
        }

        /* ========== 品牌区 ========== */
        .brand {
            display: flex; flex-direction: column; align-items: center; gap: 14px;
            margin-bottom: 30px;
        }
        .brand-logo {
            width: 56px; height: 56px; border-radius: 14px; overflow: hidden;
            box-shadow: 0 0 24px rgba(79,110,247,0.3);
            display: flex; align-items: center; justify-content: center;
            background: rgba(255,255,255,0.05);
        }
        .brand-logo img { width: 100%; height: 100%; object-fit: cover; }
        .brand-name { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 1px; }
        .brand-name .accent { color: var(--accent); }
        .brand-sub { font-size: 12px; color: var(--text3); letter-spacing: 3px; text-transform: uppercase; }

        /* ========== 标签切换 ========== */
        .tabs {
            display: flex; gap: 4px; margin-bottom: 28px;
            background: rgba(255,255,255,0.03); border-radius: 10px; padding: 4px;
        }
        .tab {
            flex: 1; text-align: center; padding: 10px 0; cursor: pointer;
            color: var(--text3); font-size: 14px; font-weight: 500;
            border-radius: 8px; transition: all 0.3s; position: relative;
            border: none; background: none; user-select: none;
        }
        .tab:hover { color: var(--text2); }
        .tab.active {
            color: #fff; background: rgba(79,110,247,0.25);
            box-shadow: 0 0 16px rgba(79,110,247,0.15);
        }

        .tab-content { display: none; }
        .tab-content.active { display: block; animation: fadeSlide 0.35s ease; }

        @keyframes fadeSlide {
            from { opacity: 0; transform: translateY(8px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        /* ========== 表单 ========== */
        .form-group { margin-bottom: 20px; }
        .form-group label {
            display: block; margin-bottom: 7px; color: var(--text2);
            font-size: 13px; font-weight: 500; letter-spacing: 0.5px;
        }
        input[type="tel"], input[type="password"], input[type="text"] {
            width: 100%; padding: 13px 16px;
            background: var(--input-bg);
            border: 1px solid var(--input-border);
            border-radius: var(--radius-sm);
            font-size: 15px; color: var(--text);
            transition: all 0.3s; outline: none;
        }
        input::placeholder { color: var(--text3); }
        input:focus {
            border-color: var(--input-focus-border);
            box-shadow: 0 0 0 3px var(--input-focus-glow), 0 0 20px rgba(79,110,247,0.06);
            background: rgba(255,255,255,0.06);
        }

        .code-group { display: flex; gap: 10px; }
        .code-group input[type="text"] { flex: 1; }

        .btn-code {
            white-space: nowrap; padding: 0 18px;
            background: rgba(79,110,247,0.2);
            color: var(--accent); border: 1px solid rgba(6,214,250,0.3);
            border-radius: var(--radius-sm); font-size: 13px; font-weight: 500;
            cursor: pointer; transition: all 0.3s; min-width: 115px;
        }
        .btn-code:hover { background: rgba(79,110,247,0.35); border-color: var(--accent); color: #fff; }
        .btn-code:disabled { opacity: 0.4; cursor: not-allowed; filter: grayscale(0.6); }

        .btn-submit {
            width: 100%; padding: 14px;
            background: linear-gradient(135deg, #4F6EF7 0%, #7C3AED 100%);
            color: #fff; border: none; border-radius: var(--radius-sm);
            font-size: 16px; font-weight: 600; cursor: pointer;
            transition: all 0.3s; margin-top: 8px;
            position: relative; overflow: hidden;
        }
        .btn-submit::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
            opacity: 0; transition: opacity 0.3s;
        }
        .btn-submit:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(79,110,247,0.4); }
        .btn-submit:hover::after { opacity: 1; }
        .btn-submit:active { transform: translateY(0); }

        /* ========== 错误提示 ========== */
        .error {
            color: var(--danger); text-align: center; margin-bottom: 16px;
            padding: 10px 14px; background: rgba(245,108,108,0.1);
            border: 1px solid rgba(245,108,108,0.25); border-radius: 8px;
            font-size: 13px; animation: fadeSlide 0.3s ease;
        }

        /* ========== 验证码提示 ========== */
        .code-hint { font-size: 12px; color: var(--success); margin-top: 7px; display: none; }
        .code-hint#codeSentHint { color: var(--accent); }

        /* ========== 底部链接 ========== */
        .footer-link {
            text-align: center; margin-top: 22px; color: var(--text3); font-size: 13px;
        }
        .footer-link a { color: var(--accent); text-decoration: none; font-weight: 500; transition: color 0.3s; }
        .footer-link a:hover { color: #fff; }

        /* ========== 响应式 ========== */
        @media (max-width: 480px) {
            .login-card { padding: 32px 22px 28px; }
            .brand-logo { width: 46px; height: 46px; }
            .brand-name { font-size: 19px; }
            .btn-code { min-width: 100px; font-size: 12px; padding: 0 12px; }
        }