        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding: 45px 10px;
        }
        
        .container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            padding: 25px 15px;
            width: 100%;
            max-width: 420px;
        }
        
        .logo {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .logo h1 {
            font-size: 28px;
            color: #333;
            margin-bottom: 5px;
        }
        
        .logo p {
            color: #666;
            font-size: 14px;
        }
        
        .form-group {
            margin-bottom: 20px;
            position: relative;
        }
        
        .input-icon {
            position: relative;
        }
        
        .input-icon i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
            font-size: 18px;
            z-index: 1;
        }
        
        input[type="text"] {
            width: 100%;
            padding: 16px 45px 16px 45px;
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            font-size: 16px;
            transition: all 0.3s;
            background: #fafafa;
        }
        
        input[type="text"]:focus {
            outline: none;
            border-color: #667eea;
            background: white;
            box-shadow: 0 0 0 4px rgba(102,126,234,0.1);
        }
        
        button {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 15px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 20px rgba(102,126,234,0.4);
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(102,126,234,0.5);
        }
        
        button:active {
            transform: scale(0.98);
        }
        
        button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        
        .message {
            margin-top: 15px;
            padding: 12px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            text-align: center;
            display: none;
        }
        
        .message.error {
            background: #fee;
            color: #ff3b30;
            border-left: 4px solid #ff3b30;
            display: block;
            animation: shake 0.5s ease;
        }
        
        .message.success {
            background: #e8f5e9;
            color: #4caf50;
            border-left: 4px solid #4caf50;
            display: block;
        }
        
        .message.info {
            background: #e3f2fd;
            color: #1976d2;
            border-left: 4px solid #1976d2;
            display: block;
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
            20%, 40%, 60%, 80% { transform: translateX(5px); }
        }
        
        .info-box {
            margin-top: 20px;
            padding: 12px 15px;
            background: white;
            border-radius: 20px;
            position: relative;
            background: linear-gradient(white, white) padding-box,
                        linear-gradient(135deg, #cf5959, #d47979) border-box;
            border: 1px solid transparent;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .info-box h3 {
            color: #009641;
            font-size: 16px;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .loading {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
            margin-right: 8px;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        /* 右侧按钮样式 */
        .right-btn {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            font-size: 18px;
            cursor: pointer;
            padding: 5px;
            width: auto;
            box-shadow: none;
            background: transparent;
            z-index: 2;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .right-btn:hover {
            transform: translateY(-50%) scale(1.1);
        }
        
        .fill-btn {
            color: #667eea;
            background: #f0f4ff;
            border-radius: 20px;
            padding: 5px 12px;
            font-size: 12px;
            gap: 4px;
            white-space: nowrap;
        }
        
        .fill-btn:hover {
            background: #667eea;
            color: white;
        }
        
        .clear-btn {
            color: #999;
            font-size: 18px;
        }
        
        .clear-btn:hover {
            color: #ff3b30;
        }
        
        .input-wrapper {
            position: relative;
        }
        
        /* 免责声明样式 */
        .disclaimer {
            margin-top: 20px;
            margin-right: 0px;
            text-align: center;
            font-size: 11px;
            color: #666666;
            line-height: 1.5;
            border-top: 1px solid #93b3ae;
            padding-top: 10px;
            width: 100%;
        }
        
        .disclaimer a {
            color: #667eea;
            text-decoration: none;
            transition: opacity 0.2s;
        }
        
        .disclaimer a:hover {
            text-decoration: underline;
            opacity: 0.8;
        }
        
        /* 手机极窄屏幕下内边距微调 */
        @media (max-width: 480px) {
            .container {
                padding: 20px 15px 18px 15px;
            }
            .disclaimer {
                font-size: 10px;
                margin-top: 20px;
                padding-top: 12px;
            }
            .fill-btn {
                padding: 4px 10px;
                font-size: 11px;
            }
        }